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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1994-03-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mangla, B -- New York, N.Y. -- Science. 1994 Mar 18;263(5153):1557-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8128238" target="_blank"〉PubMed〈/a〉
    Keywords: *Computer Communication Networks ; India
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1994-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1994 Mar 11;263(5152):1467-96 and 1389-93.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8128232" target="_blank"〉PubMed〈/a〉
    Keywords: Germany ; India ; Italy ; Philippines ; *Science ; Sweden ; Turkey ; *Women, Working
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    ISSN: 1573-0832
    Keywords: Chrysosporium tropicum ; India ; Mycosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Chrysosporium tropicum was isolated from comb lesions in two different breeds of chickens in India and subcultures were shown to be pathogenic when inoculated onto prepared skin of guinea pigs. This report provides additional evidence to considerCh. tropicum as a pathogenic fungus and a probable cause of a dermatomycosis in chickens.
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  • 4
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    Environmental geology 23 (1994), S. 284-294 
    ISSN: 1432-0495
    Keywords: Phosphorus ; Fractionation ; Sediments ; Tropical estuary ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Fractionation of phosphorus in the sediments of the Cochin estuary situated along the southwest coast of India was studied by applying sequential chemical extraction. The different forms of phosphorus were estimated seasonally (premonsoon, monsoon, and postmonsoon) under eight different schemes. The major forms of phosphorus analyzed were exchangeable P, anion exchangeable P, carbonate-bound P, labile and resistant organic P, Fe and Al P, calcium-bound P, and hydrolyzable surplus P. Quantitatively, the above fractions in isolation or in combination vary in content due to chemoestuarine variability and seasonal fluctuations. Changes in speciation have been noted in association with salinity variations in the waterway, especially following enhanced river runoff during the monsoon. The chemical forms of the sediment-bound phosphorus in the northern parts of this estuary have been shown to be modified by nonpoint sources. Sediment P fractionation defines the role of chemical speciation of phosphates (as nutrients) and is indicative of the processes controlling the pathways of P into the coastal waters. The changes in the exchangeable P, together with marked regional variations in calcium-bound P, exemplify the complex estuarine variability of phosphorus. Enhanced amounts of exchangeable P mark its appearence in high saline waters, signifying the presence of biologically available nutrient phosphorus. The calcium-bound P and hydrolyzable surplus P show significant relation with sediment organic carbon and Fe whereas other forms do not exhibit any marked covariation. The Ca and Na NTA extraction scheme is very specific in its selectivity.
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  • 5
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    Environmental geology 24 (1994), S. 281-286 
    ISSN: 1432-0495
    Keywords: Contamination ; Geoelectrical soundings ; Resisitivity ; Conductivity ; Hindustan polymers ; Hindustan zinc ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The industrial effluents sent through open channels or closed pipes with leaks contaminate the surface layer and infiltrate to add salinity to groundwater. Extents of contaminations are delineated through isoresistivity maps. Vertical electrical sounding gives the contaminated resistivities of the second layer. The technique is used for two industrial sites: polymer and zinc smelter plants of Visakhapatnam. The results of the studies are compared.
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  • 6
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    Environmental geology 23 (1994), S. 209-213 
    ISSN: 1432-0495
    Keywords: Pollution ; Waste disposal ; Aquifers ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract During the rainy season deterioration in the quality of water, supplied through dug wells and tube wells, near an abandoned limestone quarry was reported. The abandoned quarry is now being used as an urban waste disposal site. The problem was further complicated by hospitalization of several inhabitants who were using this water for domestic purposes. Looking into the consequences, chemical analysis of water from the quarry, dug wells and tube wells was carried out. The water was found to be contaminated. The transportation of pollutants from the quarry to the groundwater system was facilitated by karst features. Furthermore, four major sources—domestic waste disposal, water conservation structures, landfills, and water wells—contributing to pollution were identified. This case study is an attempt to provide an understanding of how the karst features facilitate groundwater contamination. It will help us answer a few questions such as why karst hydrogeology deserves special attention in urban expansion and what protective measures should be planned in view of rapid urbanization.
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  • 7
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    Oecologia 97 (1994), S. 475-480 
    ISSN: 1432-1939
    Keywords: Soil organic matter ; Forest-savanna ; ccotone dynamics ; 13C natural abundance ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In India, the stability of the forest savanna boundary (ecotone) has been questioned. To investigate the possibility of vegetation change at this boundary, we used the natural difference in the stable carbon isotope ratio (13C/12C, expressed as δ13C) of C3 (forest) and C4 (savanna) plants, which is preserved in the isotopic composition of soil organic carbon. Past changes in the position of the ecotone can thus be documented by 13C/12C analysis of soil organic matter (SOM). Measurements were made on soil samples taken along a transect across the forest savanna boundary. In both ecosystems, δ13C values of SOM in upper soil layers appeared to be in equilibrium with the current plant community: SOM was near-14‰ under savanna cover, and near-28‰ under forest. By contrast, δ13C values of SOM from deep layers of soil profiles under forest cover near the ecotone, were less negative than would be expected for a C3-dominated community. These results indicate that a change in ecosystem dominance occurred recently, and that forest has invaded an area occupied previously by a C4 plant community (savanna and cultivated grassland).
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  • 8
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    Mycoscience 35 (1994), S. 395-397 
    ISSN: 1618-2545
    Keywords: biodiversity ; Elaeocarpus ; India ; Pseudocercospora
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pseudocercospora elaeocarpi sp. nov. is described and illustrate from dead leaves ofElaeocarpus sp. collected in India.
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  • 9
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    Plant ecology 111 (1994), S. 29-43 
    ISSN: 1573-5052
    Keywords: Floodplain ; Imperata cylindrica ; India ; Narenga porphyrocoma ; Saccharum spontaneum ; Themeda arundinacea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Eight grassland associations with ten phases and two riverine forest associations were identified on the floodplains of Chitwan National Park in lowland Nepal. TwoThemeda arundinacea associations were primarily stable edaphic associations on mollic soils, often with aquic moisture regimes.Themeda associations were floristically similar to adjacent sal forest. Four mixed tall-grass associations primarily ofNarenga porphyrocoma, Saccharum bengalense, andSaccharum spontaneum were identified. These andThemeda arundinacea types were characterized by a very weak component of woody species. Two grass-shrub associations ofSaccharum bengalense andNarenga porphyrocoma with a strong woody species component typical of riverine forest were described.Trewia nudiflora-Bombax ceiba riverine forest and mixed riverine forest types also were identified on the basis of understory composition. Mixed tall-grass and grass-shrub associations appeared to represent early and late phases of grassland succession to riverine forest. Trajectories of succession are controlled primarily by fire and wildlife grazing. The classification refines the general classifications applied to the central Terai of Nepal and India, and should provide insight for classification of other Terai riverine grasslands.
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  • 10
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    Hydrobiologia 287 (1994), S. 251-258 
    ISSN: 1573-5117
    Keywords: Rotifera ; India ; taxonomy ; zoogeography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Fifteen species of monogonont Rotifera are recorded from India for the first time. These are Lecane acanthinula (Hauer), L. aspasia Myers, L. monostyla (Daday), L. ruttneri (Hauer), L. simonneae Segers, Lepadella costatoides Segers, L. cf. favorita Klement, L. minuta (Montet), L. triba Myers, Notommata pachyura (Gosse), N. saccigera Ehrenberg, Sinantherina semibullata (Thorpe), Trichocerca chattoni (De Beauchamp), T. kostei Segers and Taphrocampa selenura (Gosse). Taxonomic and/or zoogeographic notes are added, when appropriate.
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  • 11
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    Agroforestry systems 25 (1994), S. 243-262 
    ISSN: 1572-9680
    Keywords: diameter distribution ; standing wood stock ; floristic diversity ; homegardens ; planting geometry ; structure ; kerala ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A survey was conducted in 17 selectedthaluks (revenue sub-divisions) of Kerala state to elucidate the floristic structure, composition and the extent of similarities and diversities in the composition of homegardens of Kerala, with particular reference to small (below 0.4 ha), medium (0.5 to 2 ha) and large (〉2.0 ha) holding size categories. Besides attempts wer also made to characterize the potential of homegardens to supply commercial timber and fuelwood. Two hundred and fifty two farmers were selected through a stratified random process. In addition to gathering general information on crop and livestock production enterprises, all scattered trees and shrubs (≥15 cm girth at breast height) on the homestead and border trees except palms and rubber were enumerated. There was tremendous variability both in the number of trees and shrubs present and species diversity of the selected homesteads in different provinces. The small, medium and large sized holdings also exhibited profound variability in the number of woody taxa and individuals present. In total, 127 woody species (Girth at Breast Height (GBH) ≥15 cm) were encountered. The mean number of woody taxa found in the homegardens ranged from 11 for Pathanapuram to 39 in Perinthalmanna. Floristic diversity was higher in the smaller homesteads. It decreased with increasing the size of holdings. Mean Simpson's diversity index for the homesteads ranged from 0.251 (Kochi) to 0.739 (Kottarakkara) suggesting that floristic diversity of homegardens was moderate to low compared to a value over 0.90 for the species-rich evergreen forests of the Western Ghats. The Sorensen's similarity indexes suggested a moderately high degree of similarity for the different tree species encountered in the homesteads of Kerala. No clear cut planting pattern was discernible in the homegardens of Kerala. The homegarden trees and shrubs were either scattered throughout the homestead or on farm boundaries. Farmers tend to prefer timber trees such as ailanthus (highest frequency) and teak besides fruit trees such as mango, jack, cashew and the like. Major homegarden species were represented in all diameter classes. The diameter structure, however, exhibited a slightly skewed (+) distribution pattern, having the highest frequency in the 20–30 cm classes ensuring adequate regeneration status and in that process making homegardens a sustainable as well as dynamic land use system. Standing stock of timber and firewood in the homestead of differentthaluks are presented. Average commercial standing stock of homesteads ranged from 6.6 to 50.8 m3 ha−1 and fuel wood volume was of the order of 23 to 86 m3 ha−1. Implicit in the high commercial timber volume and fuel wood volume is that a substantial proportion of the society's wood demands are met from the homesteads. Palms, however, constituted the dominant component of standing commercial timber and fuel wood volumes accounting as much as 63% and 72%, respectively, of the total wood in these categories.
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  • 12
    ISSN: 1573-5117
    Keywords: taxonomy ; Keraladiaptomus rangareddyi gen. nov. et sp. nov. ; Copepoda ; Calanoida ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Calanoid copepods, belonging to the new genus and species Keraladiaptomus rangareddyi, were collected from temporary ponds in Kerala State, India. The new genus belongs to the family Diaptomidae, subfamily Diaptominae. It is described in detail and its affinity to the related genera, Arctodiaptomus Kiefer, 1932 and Eodiaptomus Kiefer, 1932, discussed.
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  • 13
    ISSN: 1573-5117
    Keywords: Acartia southwelli sewell ; Acartia sarojus n.sp. ; Euacartia ; Copepoda ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The subgenus Euacartia has a single representative, Acartia southwelli, and was created based on a rather inadequate description of the latter. A. southwelli is fully redescribed here so that the affinities of this subgenus, Euacartia, with other subgenera of the family Acartiidae can be elucidated. Acartia sarojus, a new species inhabiting the salt pans of the Gulf of Kutch and closely resembling Acartia southwelli, is introduced. This species seems to have speciated as a result of events during the Pleistocene. Based on the descriptions, the status of the subgenus Euacartia is discussed.
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  • 14
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    In:  J. Geophys. Res., Basel, Birkhäuser Verlag, vol. 98, no. 1001 (supplement), pp. 12057-12082, pp. 2342, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1993
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Inversion ; Moment tensor ; Strain ; Tectonics ; Plate tectonics ; China ; XSH ; ANH ; Tibet ; Burma ; India ; JGR
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  • 15
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    In:  Zoologische Mededelingen vol. 67 no. 42, pp. 601-637
    Publication Date: 2024-01-12
    Description: A small collection of five species of Actiniaria from the west coast of India, including three new species, is described and discussed. It concerns: Anthoeua anjuna spec,nov., Bunodosoma goanensis spec, nov., Synantheopsis parulekari spec, nov., Paracondylactis cf. sinensis Carlgren, 1934, and Stichodactyla haddoni (Saville-Kent, 1893). Details are given on the synonymy, cnidom and distribution of these species.
    Keywords: Actiniaria ; India ; descriptions ; cnidom ; distribution ; new species
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 16
    ISSN: 1432-0495
    Keywords: Fluorine ; Fluorosis ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Geochemical and hydrochemical studies were conducted in Nalgonda District (A.P.), to explore the causes of high fluorine in waters, causing a widespread incidence of fluorosis in the local population. Samples of granitic rocks, soils, stream sediments, and waters were analyzed for F and other salient chemical parameters. Samples from the area of Hyderabad city were analyzed for comparison. The F content of waters in areas with endemic fluorosis ranges from 0.4 to 20 mg/l. The low calcium content of rocks and soils, and the presence of high levels of sodium bicarbonate in soils and waters are important factors favoring high levels of F in waters.
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  • 17
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    Environmental geology 21 (1993), S. 96-102 
    ISSN: 1432-0495
    Keywords: Trace metals ; Speciation ; Tropical estuary ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Axial surveys were performed in the two river tributaries of the Cochin estuary, SW India during November 1988. Surficial sediments were subjected to sequential chemical extractions to delineate five metal fractions, namely, exchangeable, carbonate bound, easily reducible, organic/sulfide bound, and residual. The results indicated selective accumulation of Mn and Ni in carbonate bound and organic/sulfide forms, along with marginal amounts of Co in the exchangeable fraction. Large portions of Fe and Cr occurred in the residual fraction, whereas composite fractionation of Zn species was noticed. The exchangeable fractions of Fe and Cr as well as of easily reducible cobalt were below detection limits. The levels of Cr and Zn indicate anthropogenic inputs in this estuary, whereas Co and Ni show regional contamination exceeding natural levels. The analytical speciation procedure helps to deduce the sedimental diagenetic processes in the estuarine environment.
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  • 18
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    Plant ecology 109 (1993), S. 47-61 
    ISSN: 1573-5052
    Keywords: Vegetation mapping ; Tropical forest management ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The principles and methods of the vegetation mapping undertaken at the French Institute, Pondicherry, are dealt with herein. Particularly, the characterisation of the different types of vegetation and especially the originality of the method: the dynamic interpretation of the vegetation and the depiction of the bioclimatic conditions. The programme of the forest map of South India at scale 1:250 000, undertaken in collaboration with the forest departments of the concerned states, is then described with special attention given to the source and the collection of data. This map has been conceived to serve as a basic document for the sustainable management of the forests. Three examples of its application are given. They concern the detection of anomalies between the existing forest cover and the prevalent climatic environment; the detection of areas for which protection is urgently needed; the selection of regions showing a particular interest in the field of nature conservation or as gene pool reserve. Finally, an example of a thematic map of sensibility of the forests is given, using the vegetation map as a basis.
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  • 19
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    Water resources management 7 (1993), S. 93-107 
    ISSN: 1573-1650
    Keywords: Hydrology research ; India ; dryland agriculture ; runoff
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: Abstract A conceptual approach was described and used to identify priorities for the cooperating centres of the All India Coordinated Research Project for Dryland Agriculture (AICRPDA). The approach was based on AICRPDA centre information, soil available water, runoff estimates, and rainfall at each centre. Lines of equal runoff were derived from the runoff-rainfall curves of the major dryland soils. Two scenarios were described, one where vertisols are cropped during the rainy season and the second where they are left under fallowed conditions during the rainy season. Three water management zones were identified for each scenario: less than 100 mm of runoff, 100 to 260 mm of runoff and greater than 260 mm of runoff. Depending on the scenario, each AICRPDA centre was incorporated into one of the three water management zones. Research orientation and priorites were set for each zone. Research efforts in the low rainfall zone can be based on small areas and in-situ water conservation. In the medium runoff zone, research can be based on areas ranging in size from 10 to 100 ha and water harvesting techniques. For the high runoff zone, greater efforts have to be put on runoff and erosion control and also on drainage response alleviating the problems created by waterlogging over large areas of 100 to 10 000 ha. Secondary priorities were also identified for each zone.
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  • 20
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    Hydrobiologia 262 (1993), S. 115-126 
    ISSN: 1573-5117
    Keywords: composition ; seasonal fluctuation ; ecology ; meiofauna ; estuary ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The distribution and abundance of subtidal meiofauna in Mandovi estuary of Goa were studied from June 1983 to June 1984. Monthly faunal abundance ranged from 491 to 2791/10 cm2 and dry weight biomass from 0.16 to 2.80 mg 10 cm2. Free living nematodes were the dominant group contributing over 75% of the total density and 30 to 42% of the total biomass. Among nematodes the deposit feeders were more abundant in fine muddy substratum while epigrowth feeders dominated in sandy substratum. Harpacticoids were next, comprising 6.9 to 8.7% of the total meiofauna number, followed by turbellaria (3.8–4.5%), polychaeta (2.8–3.2%) and ostracods (1.6–4.5%) The contribution of other groups to faunal density was 4.5–6.2%. In the biomass the ostracods contributed most (29.8–54.7%), followed by nematodes (23.8–34.6%). Over 60% of the fauna occurred in the top 2 cm of the sediment and the faunal density reduced significantly with increasing depth in the sediment. The vertical distribution of meiofauna was positively correlated to the vertical distribution of Eh, chlorophyll a and interstitial water. Seasonality was greatly influenced by the south-west monsoon and the fauna quickly repopulated after the monsoon. Salinity, temperature and food influenced the faunal abundance.
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  • 21
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    Agroforestry systems 23 (1993), S. 253-259 
    ISSN: 1572-9680
    Keywords: agroforestry research ; ecological regions ; India ; multipurpose trees
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract India's long tradition of agroforestry has been influenced by numerous religious, social, and economic factors. Several indigenous agroforestry systems, based on peoples' needs and site-specific characteristics, have developed over the years. Agroforestry research was initiated in the country about two decades ago; since then, considerable progress has been achieved. The interactions between and among the tree, crop, grass, and animal components have been studied, and several agroforestry technologies have been developed and tried on farmers' lands. Agroforestry research is now conducted under the auspices of the All India Coordinated Agroforestry Research Project of the Indian Council of Agricultural Research at 31 centers distributed over India's tropical and temperate regions. In addition to research, the program includes agroforestry training of farmers, technicians, and scientists at 28 centers throughout the country. Expectations from agroforestry are high in India in both rural and urban areas; these expectations include production benefits that are in harmony with the ecology, environment, traditions, and heritage of the country.
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  • 22
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    Agroforestry systems 23 (1993), S. 1-10 
    ISSN: 1572-9680
    Keywords: eucalyptus ; marketing ; India ; small farmers ; legal controls
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract In India, small farmers have generally found that the growing of eucalypts as a cash crop provides poor returns, and many have reverted to growing annual crops. Farmgate prices have been much lower than retail prices, due to the existence of middlemen, and retail prices have fallen to lower levels than expected as markets have become saturated. This article describes the situation in eastern Gujarant, where farmers sold their eucalypts directly to buyers at prices close to those in organised wood markets. An important reason for this unusual situation is the absence in Gujarat of controls on eucalyptus sales, which has helped producers to avoid dependence on rent-seeking intermediaries. The survey shows that growing eucalyptus can be a profitable activity for small farmers, given the right circumstances.
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  • 23
    ISSN: 1435-232X
    Keywords: polymorphism ; orosomucoid ; ethnic groups ; United Kingdom ; India ; Cambodia ; Sri Lanka
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The genetic variation of the human serum orosomucoid (ORM) was investigated by isoelectric focusing (IEF) followed by immunofixation in 15 different populations from East Midlands (United Kingdom), India, Sri Lanka, and Cambodia. Statistically significant differences were observed between various Asiatic and British populations, however differences within Asiatic and European populations were minor. The distribution ofORM1 alleles in populations investigated to date suggests an interesting east-west geographical cline. There is a suggestion that present day wide polymorphism at theORM1 locus may be influenced by selection.
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  • 24
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    In:  Bijdragen tot de dierkunde vol. 62 no. 2, pp. 99-109
    Publication Date: 2024-01-12
    Description: The brachycentrids are represented in India by only two genera. The only species of Brachycentrus is distributed all along the Himalayan Range. Micrasema is represented by twelve species, ten of which are presently described as new. A few short taxonomie and phyletic considerations are also given.
    Keywords: Taxonomy ; Brachycentrus ; Micrasema ; Trichoptera ; new species ; India
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 25
    ISSN: 1573-0867
    Keywords: Kinetics of potassium release ; sodium tetraphenyl boron ; red ; black and alluvial soils ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Alluvial (Inceptisols and Entisols) soils containing illite as dominant clay mineral released significantly higher amounts of K to 0.3 M NaTPB than smectitic Black (Vertisols) and kaolinitic Red (Alfisols) soils. Exchange rate indices derived from the plots of K released to 0.3 M NaTPB versus log t were also higher for illitic soils than for kaolinitic and smectitic soils. Magnitudes of both surface and internal K released from different soils were in the sequence: illitic 〉 smectitic 〉 kaolinitic. Data of K release to 0.3 M NaTPB could be described by first order rate equation. In parabolic plots, existence of a linear relationship throughout the period of exchange with NaTPB indicated the absence of film diffusion controlled processes. Diffusion coefficients calculated from radial diffusion equation were dependent upon texture and clay mineralogy of soils and decreased sharply with time for kaolinitic and smectitic soils. Illitic soils, however, maintained higher values of diffusion coefficients over extended periods of time.
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  • 26
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    Agroforestry systems 20 (1992), S. 229-241 
    ISSN: 1572-9680
    Keywords: Azadirachta indica ; Dalhergia sissoo ; Prosopis cineraria ; Acacia nilotica ; single tree/crop interaction ; semi-arid lands ; agroforestry ; irrigated wheat ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A study was conducted in the semi-arid regions of Haryana, in Northern India, to see the effect of Azadirachta indica, Prosopis cineraria, Dalbergia sissoo and Acacia nilotica on the yield of irrigated wheat crop. Data on crop yield for each tree species at different distances (1, 3, 5 and 7 m) and four directions (east, west, north and south) from the tree bases and control (no trees) were collected. Results indicate that A. indica and P. cineraria did not show any significant difference in the wheat yield while the other two species (D. sissoo and A. nilotica) showed a reduction in wheat yield. A. nilotica had the most significant and prominent effect, and a reduction of nearly 40 to 60% wheat yield was observed. The effect of this tree species was observed even beyond the spread of the crown. D. sissoo reduced yield by 4 to 30% but the reduction was only up to a distance of 3 m. In general, the impact of trees on wheat yield was observed up to 3 m distance and there is little, if any, impact up to 5 m distance and almost no impact at 7 m distance. In all the tree species, the wheat yield was reduced to a maximum on the north side of the trees and had almost no effect in the southern direction. Crop maturity was observed to be delayed by three weeks under A. nilotica, by 9–10 days under D. sissoo, and only by 6–7 days under P. cineraria and A. indica.
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  • 27
    ISSN: 1824-3096
    Keywords: Genetic polymorphism ; three descendants of Koch ; population affinities ; North Bengal ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Three descendants of Koch, Indo-Mongolid populations, have been studied for their 12 genetic markers of blood group, red cell enzyme and serum protein. Distribution of their phenotype and allele frequencies shows some variants apart from their common alleles. Analysis on genetic material reveals very low differentiation coefficient (GST) value for the total population, and in the distance measure the Poliya and the Tiyor stand close to each other compared to other populations. Data on ethnohistory of the peoples have been discussed in the light of the results obtained from genetic analysis.
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  • 28
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    Hydrobiologia 231 (1992), S. 1-11 
    ISSN: 1573-5117
    Keywords: Eodiaptomus shihi n. sp. ; calanoid copepod ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Eodiaptomus shihi n. sp. is described from the material collected from Gandhisagar reservoir, River Narmada and a hillpool in the Madhya Pradesh State of central India. The salient features of this new species include: in female, the left metasomal wing is strongly developed, and the endopodite in leg 5 is 2-segmented and longer than first exopodite-segment; in male, the right caudal ramus is armed with a tooth-like chitinous structure near ventro-distal region, and in right leg 5, the basis is devoid of any hyaline lobe on inner margin and the first exopodite-segment is produced into a large spinous process at disto-outer corner.
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  • 29
    ISSN: 1573-8248
    Keywords: Aproaerema modicella ; parasitoid ; pathogen ; groundnut ; India ; Aproaerema modicella ; parasitoïde ; pathogène ; arachide ; Inde
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé La mineuse des feuilles d'arachide,Aproaerema modicella (Deventer) (Lepidoptera: Gelechiidae) est un ravageur important des cultures d'arachide et de soja en Asie du sud. Un grand nombre d'ennemis naturels des larves de la mineuse, notamment des parasitoïdes hyménoptères, ont été signalés. Au cours de cette étude, neuf espèces de parasitoïdes primaires et huit espèces de parasitoïdes secondaires ont été obtenues par émergence à partir de larves prélevées sur le terrain. Les taux de mortalité dûs à ces parasitoïdes peuvent atteindre 50% des larves de chaque génération de la mineuse. L'efficacité de ces ennemis naturels est diminuée par l'emploi d'insecticides. Les interactions trophiques entre parasitoides primaires et secondaires au sein de cette biocoenose sont complexes et ne sont pas entièrement élucidées. Deux pathogènes non-identifiés ont aussi été notés sur les larves de la mineuse. Les taux de mortalité des larves de la mineuse dûs à ces deux pathogènes en combinaison ont atteint 30% dans le cas d'une des générations étudiées. Au total, les ennemis naturels en Inde péninsulaire provoquent une mortalité de 95% des larves de la mineuse.
    Notes: Abstract Natural enemies of the groundnut leaf miner,Aproaerema modicella (Deventer), were studied at the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) located near Hyderabad in peninsular India. Hymenopterous parasitoids attacking leaf miner larvae were the most important group of natural enemies. Nine primary and eight secondary parasitoids emerged from host larvae, and killed up to 50% of the leaf miner larvae sampled. The trophic relationships between primary and secondary parasitoids are incompletely understood. The influence of pathogens of this species is reported for the first time. These pathogens killed up to 30% of the leaf miner larvae. The combined effects of all mortality agents killed up to 95% of the leaf miner larvae per sample period. However, use of insecticides in sprayed plots reduced the efficacy of parasitoids. The impact of predators on larval populations was not studied and may explain underestimates of leaf miner mortality rates.
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  • 30
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    Publication Date: 1991-05-10
    Description: In many regions of Asia and Africa, consanguineous marriages currently account for approximately 20 to 50% of all unions, and preliminary observations indicate that migrants from these areas continue to contract marriages with close relatives when resident in North America and Western Europe. Consanguinity is associated with increased gross fertility, due at least in part to younger maternal age at first livebirth. Morbidity and mortality also may be elevated, resulting in comparable numbers of surviving offspring in consanguineous and nonconsanguineous families. With advances in medicine and public health, genetic disorders will account for an increased proportion of disease worldwide. Predictably, this burden will fall more heavily on countries and communities in which consanguinity is strongly favored, as the result of the expression of deleterious recessive genes. However, studies conducted in such populations indicate that the adverse effects associated with inbreeding are experienced by a minority of families.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bittles, A H -- Mason, W M -- Greene, J -- Rao, N A -- New York, N.Y. -- Science. 1991 May 10;252(5007):789-94.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉King's College, University of London.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2028254" target="_blank"〉PubMed〈/a〉
    Keywords: Congenital Abnormalities/epidemiology ; *Consanguinity ; Female ; Humans ; India ; Infertility ; Marriage ; Maternal Age ; Parity ; Pregnancy ; Pregnancy Outcome ; Regression Analysis ; Sexual Behavior/*statistics & numerical data
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barnett, R -- Sears, C -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):188-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925571" target="_blank"〉PubMed〈/a〉
    Keywords: *Conflict of Interest ; India ; *Medicine, Ayurvedic ; *Periodicals as Topic ; *Publishing ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 32
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    Pure and applied geophysics 135 (1991), S. 545-558 
    ISSN: 1420-9136
    Keywords: Q-structure ; lithosphere ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The fundamental mode Love and Rayleigh waves generated by earthquakes occurring in Kashmir, Nepal Himalaya, northeast India and Burma and recorded at Hyderabad, New Delhi and Kodaikanal seismic stations are analysed. Love and Rayleigh wave attenuation coefficients are obtained at time periods of 15–100 seconds, using the spectral amplitude of these waves for 23 different paths along northern (across Burma to New Delhi) and central (across Kashmir, Nepal Himalaya and northeast India to Hyderabad and Kodaikanal) India. Love wave attenuation coefficients are found to vary from 0.0003 to 0.0022 km−1 for northern India and 0.00003 km−1 to 0.00016 km−1 for central India. Similarly, Rayleigh wave attenuation coefficients vary from 0.0002 km−1 to 0.0016 km−1 for northern India and 0.00001 km−1 to 0.0009 km−1 for central India. Backus and Gilbert inversion theory is applied to these surface wave attenuation data to obtainQ β −1 models for the crust and uppermost mantle beneath northern and central India. Inversion of Love and Rayleigh wave attenuation data shows a highly attenuating zone centred at a depth of 20–80 km with lowQ for northern India. Similarly, inversion of Love and Rayleigh wave attenuation data shows a high attenuation zone below a depth of 100 km. The inferred lowQ value at mid-crustal depth (high attenuating zone) in the model for northern India can be by underthrusting of the Indian plate beneath the Eurasian plate which has caused a low velocity zone at this shallow depth. The gradual increase ofQ β −1 from shallow to deeper depth shows that the lithosphere-asthenosphere boundary is not sharply defined beneath central India, but rather it represents a gradual transformation, which starts beneath the uppermost mantle. The lithospheric thickness is 100 km beneath central India and below that the asthenosphere shows higher attenuation, a factor of about two greater than that in the lithosphere. The very lowQ can be explained by changes in the chemical constitution taking place in the uppermost mantle.
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  • 33
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    International journal of anthropology 6 (1991), S. 81-87 
    ISSN: 1824-3096
    Keywords: nonmetric cranial traits ; population distance ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sixty-nine nonmetrical morphological variants of the cranium have been studied in six samples of non-tribal, state populations in India, and their incidence reported. Using C.A.B. Smith’s angular transformation of frequencies, the multivariate Thetasquare distances and their respective standard deviations have been presented. On the basis of nonmetrical cranial variation, it is clear that the samples from Uttar Pradesh, Andhra Pradesh and Bihar are closer to each other but distant from Madhya Pradesh, Karnataka and Maharashtra. On the other hand, Karnataka and Maharashtra samples are quite close to each other and both, in turn, are comparatively closer to Madhya Pradesh than to Uttar Pradesh, Andhra Pradesh and Bihar. Madhya Pradesh sample emerges as the most divergent group among the six population samples studied. This, in general, is in conformity with the picture that emerges from various analysis of morphometric and other biological data on various populations of India.
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  • 34
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    International journal of anthropology 6 (1991), S. 29-34 
    ISSN: 1824-3096
    Keywords: HP ; GC ; PI ; Polymorphism ; Jammu and Kashmir ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two population groups of Jammu and Kashmir (India) — Muslims and Bodhs-have been typed for haptoglobin and for CG and PI subtype polymorphisms. The allele frequencies do not show significant differences between these two populations. HP and GC allele frequencies of Bodhs and Muslims differ considerably from with that observed in other North Indian populations. The PI allele frequencies of Bohds and Muslims differ considerably from those found in other Indian populations and are more similar to Mongoloid ones.
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  • 35
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    Mathematical geology 23 (1991), S. 841-852 
    ISSN: 1573-8868
    Keywords: undiscovered mineral resources ; unit regional value ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract Unit regional value (URV) and unit regional weight (URW) are relatively new concepts which are used to measure the intensity of the development of the mineral resources of any particular region. URV and URW of the mineral resources of India have been evaluated by sector, by commodity, as well as by state. The results are compared with values for the U.S.A. established by earlier workers and which can be taken as a standard for comparison with the mineral resources of other regions. URV of India, evaluated through the years 1898–1985, shows that the total mineral resources produced stands at $24.4 billion U.S. (deflated to 1967 value). Log URV of India lies below one standard deviation of the value for the states of the U.S. Like the U.S. India's major contribution to its URV is from fuels, but it is much less compared to that of the U.S. Next to fuels, metals, nonmetals, construction materials, and precious materials follow in that order. Except for two states, viz. Bihar and West Bengal, all other states are just below two standard deviations of the states of the U.S. The state of J&K is even much lower than the two standard deviations mark. It is concluded that India has a high potential for undiscovered mineral resources. However, this will require a large investment in exploration, on the order of Rs. 7760 crores, in the next few years.
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    Agroforestry systems 16 (1991), S. 55-81 
    ISSN: 1572-9680
    Keywords: agroforestry-system evaluation ; agro-ecological zones ; evaluation matrix ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract India has a long tradition of agroforestry and many different types of indigenous agroforestry systems can be found in different parts of the country. Most of these systems are, however, very location-specific, and information on them is mostly anecdotal. Therefore, their benefits have remained vastly underexploited. The situation is now slowly but steadily changing. It has now been well recognized that agroforestry can address some of the major land-use problems of rainfed farming systems, and that a great deal can be accomplished by improving the indigenous systems. However, agroforestry research is still in its infancy; most of the on-going efforts are of the “WHAT” type dealing with component and system management, with too little attention being paid to the “WHY” (reasons for the observed behavior) and the “HOW” (processes involved) of the results. Therefore, most of the research results obtained from such efforts are also largely location-specific. In order to improve the efficiency of indigenous agroforestry systems, as well as to assess the performance of improved technologies, we need to have a systematic procedure to evaluate such systems. Since productivity, sustainability and social acceptability are the key attributes of all agroforestry systems, evaluation procedures should encompass all these criteria. But the precise criteria for such evaluations have still not been fully developed. A broad evaluation of the indigenous agroforestry systems and current research efforts in India shows that the thrusts of agroforestry efforts are different in different agro-ecological regions depending on the region's characteristic land-use constraints. Therefore it should be possible to develop an evaluation matrix of agro-ecological regions versus agroforestry potentials and attributes. Such a matrix could be a framework for evaluating agroforestry systems, as well as a guide for the type of research and nature of data that will need to be generated from agroforestry projects. The matrix with necessary adjustments can be made use of for agroforestry systems evaluation within relatively smaller areas such as sub-regions to larger areas such as states, or zones consisting of several states. The results of such evaluations can be thses for appropriate extension recommendations for that specific area or region.
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    Agroforestry systems 14 (1991), S. 145-148 
    ISSN: 1572-9680
    Keywords: economics ; agroforestry ; India ; infinite time frame ; joint production
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract When evaluating the economics of a joint production agroforestry system two rules should be followed: (1) all benefits and costs need to be included and (2) revenue streams over time should be compared using the net present value of an infinite set of rotations. To illustrate both points, previously presented data on the economics of eucalyptus plantings around agricultural fields are reevaluated below.
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  • 38
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    Human evolution 6 (1991), S. 241-247 
    ISSN: 1824-310X
    Keywords: Palaeolithic Cultures ; Southeastern ; Andhra Pradesh ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
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  • 39
    ISSN: 1573-0832
    Keywords: fungal diarrhoea ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A total of 854 patients (640 children and 214 adults) admitted with acute or chronic diarrhoea suspected of non-invasive overgrowth of fungi in intestine were screened during a period of 3 years. Fungal proliferation was noted in 54.8% of these patients (53.6% in children, 58.4% in adults). The predominant fungal species isolated were Candida albicans (64.5%), followed by C. tropicalis (23.3 %) C. krusei (6.9%), Torulopsis glabrata (1.6%). Trichosporon sp. and Geotrichum sp. were found to be responsible in 2.3% of adults. As seen in bacterial diarrhoea, higher incidence was noted in children from April to August. No such seasonal variation was noted in adults.
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  • 40
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    Journal of agricultural and environmental ethics 3 (1990), S. 50-88 
    ISSN: 1573-322X
    Keywords: appropriate technology ; basic needs ; swadeshi ; swaraj ; Gandhi ; India ; Indonesia ; steady state ; equity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Philosophy
    Notes: Abstract This is an examination of the significance of Gandhi's social philosophy for development. It is argued that, when seen in light of Gandhi's social philosophy, the concepts of appropriate technology (A.T.) and basic needs take on new meaning. The Gandhian approach can be identified with theoriginal "basic needs" strategy for international development (Emmerij, 1981). Gandhi's approach helps to provide greater equity, or "distributive justice," by promoting technology that is appropriate to "basic needs" (food, clothing, shelter, health and basic education). Gandhi's social philosophy (Erikson, 1968; Roy, 1985) has been neglected by most development specialists, with only a few exceptions (e.g., Chambers, 1983; Charles, 1983). This analysis attempts to draw out some aspects of M.K. Gandhi's background and his thinking aboutswadeshi (i.e. local self-reliance and use of local knowledge and abilities) andswaraj (i.e. independent development that leads to equity and justice). Gandhi's ideas, which emerged out of an "Indic" meta-cultural background, are based on an emphasis on equity. Gandhi's syncretic Indic background includes a belief in what Bateson (1972), writing about Bali, Indonesia, has called the "steady state." Development activities should be carried out in a phased manner that does not disturb the beneficial aspects of dynamic equilibrium, but that does promote "positive development." A.T. is particularly useful within the context of a basic needs approach to international development because use of A.T. is probably more likely to lead to equitable growth. The "economic growth" strategy, utilizing "advanced technology" (or even "high tech") exclusively, has caused unemployment and has not led to effective "trickle down," much less "high mass consumption." In many developing countries the poorest 20% of the population are worse off in 1990 than they were in 1980. By making use of the "advantage of backwardness" (Veblen, 1966) and viewing development in terms of long-term impacts, a basic needs approach using A.T. is more likely to lead to a positive impact on third world food systems than a pure "economic growth" strategy.
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  • 41
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    International journal of anthropology 5 (1990), S. 255-269 
    ISSN: 1824-3096
    Keywords: Dermatoglyphics ; palmar triradii ; distributions ; population variation ; distance ; Dhangars ; Maharashtra ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The paper deals with the bilateral palmar prints of 3000 males belonging to 20 Dhangar castes of Maharashtra which were analysed (1) to compare the pattern of variation of palmar triradii with respect to other traits, (2) to examine the degree of similarity between clusters based on dermatoglyphics anthropometry and genetic markers and (3) relating these similarities with their ethnographic and geographic proximities. The results of this study confirm the general presumptions, (a) that dermal traits, in general, and palmar characters, in particular, do help in understanding the biologic/ethnic affinities among different groups both at macro and micro levels and (b) the different types of traits, which are likely to be influenced by different genetic and/or environmental factors give rise to different clustering patterns.
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  • 42
    ISSN: 0032-8332
    Keywords: Phayre's leaf monkey ; Sexual dimorphism ; Facial marks ; Tripura ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The Phayre's leaf monkey occurs in India only in Tripura and South Cachar hills. Identification of sex with the help of markings on the face in adult individuals has been suggested in this paper.
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  • 43
    ISSN: 1573-5117
    Keywords: Paraergasilus reductus n. sp. ; brevidigitus Yin ; ergasilid copepods ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Paraergasilus reductus n. sp. is described and P. brevidigitus Yin, 1954, redescribed by the material in the plankton samples collected from fish ponds near Vuyyur town, Andhra Pradesh, South India.
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  • 44
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    Hydrobiologia 190 (1990), S. 223-231 
    ISSN: 1573-5117
    Keywords: Arctodiaptomus (Rhabdodiaptomus) michaeli n.sp. ; calanoid copepod ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Arctodiaptomus (Rhabdodiaptomus) michaeli n.sp. is described from the material collected in Alapathar Lake and Marsar Lake of Kashmir, India.
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  • 45
    ISSN: 1573-0832
    Keywords: Rhinosporidiosis ; ocular ; Tamil Nadu ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A high incidence of ocular rhinosporidiosis in Kanyakumari district of Tamil Nadu, India is reported. Among the four taluks (sub-division for administration), highest occurrence was found in Agastheeswaram taluk (51.2%) followed by Kalkulam (24.4%), Thovalai (22%) and Vilavancode (2.4%). The disease occurred among both sexes equally and preponderance of a particular sex was not observed. The young adolescents were found to be more susceptible. The disease was found in all socio-economic strata and among all communities and persons belonging to different religious groups. Most of the patients gave a history of bathing in muddy stagnant pools of water.
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  • 46
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    Agroforestry systems 11 (1990), S. 243-258 
    ISSN: 1572-9680
    Keywords: Alley cropping ; fodder ; India ; intercrops ; Leucaena ; pigeonpea ; semi-arid tropics ; sorghum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The potential of hedgerow intecrropping with Leucaena leucocephala was explored on vertic Inceptisols over 4 years at ICRISAT Center, Patancheru, India. The study was conducted using a systematic layout involving different alley widths ranging from 1.35 to 4.95 m and with varying distances between hedge and crops. The alleys were cropped with alternate rows of sorghum and pigeonpea. Hedges composed double Leucaena hedgerows 60 cm apart were periodically harvested for fodder. Sole crops of all components and a sorghum/pigeonpea intercrop were included in all four replications of the study. Starting in the second year, Leucaena was progressively more competitive to annual crops, causing substantial yield reduction. Competition (primarily for moisture) was most severe in narrow alleys and was greatest on pigeonpea. The growth of Leucaena was not sufficient to compensate for reduced crop yields. Land equivalent ratios (LERs) calculated on the basis of grain yield of crops and Leucaena fodder yields showed that hedgerow intercropping (HI) was advantageous over sole crops only during the first two years using wide alleys, but disadvantegeous in the last two years. LERs calculated on the basis of total dry matter indicated only a small advantage for HI (13–17 percent) over sole crops in wider (〉4 m) alleys. Average returns per year from HI exceeded those of the most productive annual crop system (sorghum/pigeonpea intercropping) by 8 percent in 4.05 m alleys, and by 16 percent in 4.95 m alleys. Fodder production during the dry season was 40 percent of the annual total in these alley widths. Thus hedgerow intercropping at 4–5 m alley width is not very attractive for farmers in semi-arid India, which has 600–700 mm of annual rainfall. There is a need to examine the potential of HI in wider alleys. The merits and limitations of the systematic design are discussed.
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  • 47
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    Human ecology 18 (1990), S. 315-336 
    ISSN: 1572-9915
    Keywords: India ; Apatanis ; wet rice cultivation ; animal husbandry ; energy flow ; village ecosystem
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Ethnic Sciences
    Notes: Abstract The energy flow through the ecosystem of a typical Apatani village in Arunachal Pradesh in northeastern India was studied. The energy and economic efficiency of the rice agro-ecosystem of this region is exceptionally high, and rice is exported after meeting local needs. The cropping pattern varies depending upon the amount of organic residues recycled into the system. Where recycling is more efficient and substantial, pisciculture is integrated with rice cultivation. Dry land cultivation of millet and mixed cropping in home gardens contribute toward meeting the diverse needs of the people. Swine and poultry husbandry is an important link with agro-ecosystems through the detritus food chain. Mithun (Bos frontalis)husbandry, which is dependent upon large forested grazing lands, is important for social and religious reasons, as well as being a source of food. Fuelwood is extracted from the natural forest and from the cultivated bamboo gardens; the latter also provide construction materials. This village ecosystem with high overall energy efficiency is based on tight recycling of resources.
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    Hydrobiologia 196 (1990), S. 73-78 
    ISSN: 1573-5117
    Keywords: Neodiaptomus schmackeri ; Copepod ; Calanoida ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Neodiaptomus schmackeri and related species are redescribed. The synonymy of this species with N. strigilipes and N. handeli is discussed.
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    BioControl 35 (1990), S. 211-216 
    ISSN: 1573-8248
    Keywords: Hydrilla verticillata ; Hydrellia spp. ; aquatic weed ; India ; biology ; Hydrilla verticillata ; Hydrellia spp. ; mauvaise herbe aquatique ; Inde ; biologie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé Les deux mouches mineuses de feuillesHydrellia sp. etH. pakistanae Deonier, attaquent en Inde méridionale la mauvaise herbe aquatiqueHydrilla verticillata (Hydrocharitacae). Leur biologie est très voisine. La durée des stades immatures varie de 25 à 29 jours chezH. pakistanae. Le nombre de feuilles deH. verticillata minées par une simple larve varie de 8 à 12. En laboratoire les adultes nourris sur une solution aqueuse de miel à 50% vivaient de 6 à 21 jours et pondaient en moyenne 26 œufs. Plusieurs générations chevauchantes se manifestent dans les champs sauf durant la période de sécheresse.Hydrellia sp. etH. pakistanae sont toutes deux fortement parasitées par les braconidesAdemon nr.decrescens NEES etChaenusa sp.
    Notes: Abstract The leaf-mining fliesHydrellia sp. andH. pakistanae Deonier were observed attacking the aquatic weedHydrilla verticillata (L.f.) L.C. (Hydrocharitaceae) in south India. Their life histories were very similar. The duration of the immature stages ofH. pakistanae was 25 to 29 days. The number of leaves ofH. verticillata mined by a single larva varied from 8 to 12. In the laboratory, adults feeding on 50% aqueous solution of honey lived for 6 to 21 days and laid an average of 26 eggs. Several overlapping generations occurred in the field except during the period of drought. BothHydrellia sp. andH. pakistanae were heavily parasitized by the braconidsAdemon sp. nr.decrescens Nees andChaenusa sp.
    Type of Medium: Electronic Resource
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