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  • Articles  (1,753)
  • Lepidoptera  (1,058)
  • temperature  (698)
  • Springer  (1,748)
  • European Invertebrate Survey - the Netherlands, Leiden  (4)
  • American Meteorological Society  (1)
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  • 1
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    Using Temperature–Salinity Relations in a Global Ocean Implementation of a Multivariate Data Assimilation Scheme (2008)
    American Meteorological Society
    Details
    Publication Date: 2017-04-04
    Description: In this paper results from the application of an ocean data assimilation (ODA) system, combining a multivariate reduced-order optimal interpolator (OI) scheme with a global ocean general circulation model (OGCM), are described. The present ODA system, designed to assimilate in situ temperature and salinity observations, has been used to produce ocean reanalyses for the 1962–2001 period. The impact of assimilating observed hydrographic data on the ocean mean state and temporal variability is evaluated. A special focus of this work is on the ODA system skill in reproducing a realistic ocean salinity state. Results from a hierarchy of different salinity reanalyses, using varying combinations of assimilated data and background error covariance structures, are described. The impact of the space and time resolution of the background error covariance parameterization on salinity is addressed.
    Description: This work has been funded by the ENACT Project (Contract EVK2-CT2001-00117) for A. Bellucci and P. Di Pietro, and partially by the ENSEMBLES Project (Contract GOCE-CT-2003-505539) for A. Bellucci.
    Description: Published
    Description: 3785-3807
    Description: 3.7. Dinamica del clima e dell'oceano
    Description: JCR Journal
    Description: reserved
    Keywords: ocean modelling ; data assimilation ; reanalysis ; upper ocean variability ; temperature ; Salinity ; 03. Hydrosphere::03.01. General::03.01.04. Ocean data assimilation and reanalysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    Global warming and the change of butterfly distributions: a new opportunity for species diversity or a severe threat (Lepidoptera)? (2003)
    European Invertebrate Survey - the Netherlands, Leiden
    Details
    Publication Date: 2024-01-12
    Description: Global warming and the change of butterfly distributions: a new opportunity for species diversity or a severe threat (Lepidoptera)? \nIn order to assess the influence of climatic changes on the distribution of insects, the ranges of nonmigratory European butterfly species have been studied. This study revealed that the northern limits of 32 (64%) of 52 species have expanded northwards during the 20th century. The southern limits of ten (25%) of 40 species have retracted northwards. The example of the Peacock butterfly (Inachis io) is given to illustrate the response to climatic changes of a species of which the range is not restricted by habitat choice. The northern limit of its range shows a considerable shift to the north during warm periods, and a southward retraction during cooler periods. Several other species showed the same pattern. These results are followed by a discussion of the impact of climate change on species diversity.
    Keywords: Lepidoptera ; Europe ; Changes in ranges ; Climate change ; Inachis io
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/conferenceObject
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  • 3
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    The apparent influence of climatic change on recent changes of range by European insects (Lepidoptera, Orthoptera) (2003)
    European Invertebrate Survey - the Netherlands, Leiden
    Details
    Publication Date: 2024-01-12
    Description: The apparent influence of climatic change on recent changes of range by European insects (Lepidoptera, Orthoptera) \nFor several years I have been collecting data concerning changes in the ranges of European insects, especially Lepidoptera and Orthoptera. The vast majority of those species which have altered their ranges since 1850 have spread to the north, north-west or west (e.g. 96% of the Lepidoptera expanding their ranges). Of the smaller number of species where the range has contracted, the majority (e.g. 75% of the Lepidoptera) have retreated southwards, south-westwards or south-eastwards. I have attempted to correlate these range changes with the main climatic fluctuations from 1850 to the present. Throughout this long period of predominately warming climate in Europe, those insect species which have been expanding their ranges have done so in steadily increasing numbers, especially since 1975, thus coinciding with the marked increase in temperatures worldwide associated with the anthropogenic greenhouse effect.
    Keywords: Europe ; Range change ; Insects ; Climate change ; Lepidoptera ; Orthoptera ; Greenhouse effect
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 4
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    Post-glacial dispersal strategies of Orthoptera and Lepidoptera in Europe and in the Carpathian basin (2003)
    European Invertebrate Survey - the Netherlands, Leiden
    Details
    Publication Date: 2024-01-12
    Description: Post-glacial dispersal strategies of Orthoptera and Lepidoptera in Europe and in the Carpathian basin \nEcologically transitional regions are characterised by high species diversity due to the overlap of species with different geographical origins caused by dispersal processes along gradients, e.g. the overlap of species belonging to different zonobiomes. The overlap of azonal communities along shortdistance gradients results in the organisation of community-complexes and landscape mosaics connected by habitat ecotones characterised by overlap of several faunal types, like Mediterranean, Balkanic, Siberian, Ponto-Caspian, Ponto-Pannonian, Turano-Eremic and Xeromontane elements in the Pannonian forest-steppe complexes. For some invertebrate groups, such as the land gastropods or some soil arthropods, the Carpathian basin contains a considerable proportion of endemic species. The eastern and southern Carpathians, together with the mountains of western Transsylvania, can be considered as core areas of survival and autochtonous evolution in some invertebrate groups with limited mobility. In mobile insect groups only peripherically isolated sibling (sub)species have evolved, which display manifold biogeographic connections, for instance to the Balkan peninsula, Asia minor or southern Russia. The distribution of Mediterranean-Manchurian bicentric faunal elements, connected to the Ponto-Caspian waterwaysystem, shows long-distance disjunctions from the eastern Asiatic taxa. Gallery forests of the Illyrian and Pannonian types and wetlands accompanying the large rivers of the Pannonian lowland have served as corridors of the northward expansion of these species. The post-glacial repopulation of the Carpathian basin from different directions has been supported by Illyrian versus Dacian vicarious pairs of sister (sub)species. Cases of vicarious \xe2\x80\x98Siberian\xe2\x80\x99- Mediterranean sibling taxa have also been established. Recent results confirm that the montane part of the range of several \xe2\x80\x98Siberian\xe2\x80\x99 boreo-montane species does not have its origin in post-glacial \xe2\x80\x98Siberian\xe2\x80\x99 invasion. Populations of some butterfly species have been studied in different geographical scales. Patterns of metapopulation structure and of genetic differentiation have been established.
    Keywords: Biogeography ; Lepidoptera ; Orthoptera ; Dispersal ; Carpathian basin
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    Biogeography and ecology of southern Portuguese butterflies and burnets (Lepidoptera) (2003)
    European Invertebrate Survey - the Netherlands, Leiden
    Details
    Publication Date: 2024-01-12
    Description: Biogeography and ecology of southern Portuguese butterflies and burnets (Lepidoptera) \nDuring several visits to the western part of the Algarve (southern Portugal), the author mapped the butterflies and burnets of this region. In total, I observed 58 butterfly species (51 Papilionoidea, 7 Hesperiidae) and 6 Zygaenidae during my observations in spring and summer. More than 80% of the species are Palaearctic faunal elements, three species are considered Holarctic, three are Nearctic and four are Palaeotropic. Around 75% of the Palaearctic species are Mediterranean faunal elements. Within the Palaearctic group, the 23 species belonging uniquely to the Atlanto- Mediterranean faunal type are by far the largest group. Siberian elements are lacking. Thus, the observed species composition is characteristic for the Atlanto-Mediterranean region. Some of the observed species can be found all over the study area, often in a variety of habitats. Other species are more or less geographically restricted. Their regional distribution patterns depend on geomorphological and ecological constraints. Several species are restricted to the limestone areas, others are limited to the acid schist and granite areas. Several species were only observed in the western coastal dunes. Some species occur exclusively in the mountain areas. Some species were not recorded along the windy western and south-western coastal areas. Several species become rare or even disappear in suitable habitats that show little diversity of the vegetation. The occurrence of many species is directly linked to one or few distinct types of vegetation like cork oak forests, deciduous forests and natural hedges along water courses, Cistus macchias, garigues on limestone, dry grasslands or hot rocky places with little vegetation.
    Keywords: Algarve ; Lepidoptera ; Hesperiidae ; Papilionidae ; Pieridae ; Lycaenidae ; Nymphalidae ; Zygaenidae ; Atlanto-Mediterranean region ; Faunal elements ; Glacial refugia ; Climatic compensation
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
    Electronic Resource
    Electronic Resource
    Langfristige Zunahme früher Bruten beim Teichrohrsänger (Acrocephalus scirpaceus) in einem südwestdeutschen Untersuchungsgebiet (1999)
    Springer
    Journal of ornithology 140 (1999), S. 81-86 
    Details
    ISSN: 1439-0361
    Keywords: Reed Warbler ; timing of breeding ; spring arrival ; global climate change ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung In einem Untersuchungsgebiet am westlichen Bodensee (Halbinsel Mettnau) zeichnet sich zwischen 1976 und 1997 eine deutliche Zunahme früh ausgeflogener Teichrohrsänger ab, was auf ein früheres Brüten schließen läßt. Weiterhin hat sich die Erstankunft des Teichrohrsängers am Bodensee in den letzten 16 Jahren (1982–1997) im Vergleich zum Zeitraum 1961 bis 1980 um genau eine Woche verfrüht (im Mittel vom 26.4. auf den 19.4.). Während sich zwischen der jährlichen Erstankunft des Teichrohrsängers am Bodensee und der Zahl früh ausgeflogener Jungvögel kein statistisch gesicherter Zusammenhang finden läßt, ist die Temperatur in der ersten Maihälfte ein guter (statistisch signifikanter) Indikator für die Zahl früh ausgeflogener Teichrohrsänger. Die vorliegende Untersuchung zeigt, daß sich offenbar auch Langstreckenzieher an die sich abzeichnende Klimaveränderung anzupassen beginnen.
    Notes: Summary Data from a standardized mist-netting programme (the so-called "MRI-Programm") were used to assess the timing of breeding in Reed Warblers (Acrocephalus scirpaceus) at Lake Constance (South Germany). The number of Reed Warblers fledged early in the season increased significantly between 1976 and 1997 (rs=0.614; p〈0.01). This is most probably due to a long-term increase in spring temperature as suggested by the high correlation between the number of early-fledged Reed Warblers and mean temperature in the first half of May (rs=0.416; p〈0.01). While in the period from 1961 to 1980 the mean date of spring arrival was on the 26th of April, it shifted towards the 19th April from 1981 to 1997. However, the number of early-fledged Reed Warblers and the date of spring arrival are not significantly correlated. The lack of a significant correlation may be due to a number of reasons, for instance early arriving birds do not belong to the local population or there could be an observational bias among years. Yet, the most likely explanation is that the timing of breeding in Reed Warblers is triggered by vegetation growth and food supply rather than by the timing of spring arrival. There is growing body of evidence from this and other studies that the recent climate change is responsible for the shift in both the timing of migration and breeding in birds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02462091
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  • 7
    Electronic Resource
    Electronic Resource
    Kinetic studies on void formation during liquid epoxy resin impregnation through polyester non-woven fabric (1985)
    Springer
    Colloid & polymer science 263 (1985), S. 454-461 
    Details
    ISSN: 1435-1536
    Keywords: Impregnation ; void ; liquid ; fabric ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Under the condition that liquid epoxy resin impregnation was through polyester non-woven fabric sheets, sandwiched between two circular glass plates, the increase in gas pressure caused by decrease in the volume of non-impregnating area was not as much as expected according to Boyle's law. Hence, the quantity of the gas consumed by dissolution and diffusion into the liquid resin and the polyester fibers, as well as by the void formation in the impregnating area of liquid resin, was calculated. According to the results, the quantities of gas decreased by dissolution and diffusion from the non-impregnating area into the impregnating liquid resin and into the polyester fiber are found to be so small that the deviation from Boyle's law mostly depends on the gas consumption due to the void formation in the impregnating area. Observing the impregnating region with a microscope, many voids were found in the area between the non-impregnating area and the completely impregnated area. The number and size of voids are theoretically estimated by assuming the non-uniformity of the fiber distribution in the polyester non-woven fabric.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01458335
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  • 8
    Electronic Resource
    Electronic Resource
    The mode of action ofBacillus thuringiensis crystal proteins (1993)
    Springer
    Entomologia experimentalis et applicata 69 (1993), S. 145-155 
    Details
    ISSN: 1570-7458
    Keywords: Lepidoptera ; Diptera ; crystal proteins ; Cyt proteins ; pathogenesis ; cytotoxicity ; solubility ; receptor binding ; pore formation ; synergism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02380641
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  • 9
    Electronic Resource
    Electronic Resource
    The roles of temperature and food quality in affecting the performance of the alder aphid, Pterocallis alni (1990)
    Springer
    Entomologia experimentalis et applicata 57 (1990), S. 9-16 
    Details
    ISSN: 1570-7458
    Keywords: Aphid ; alder ; food quality ; temperature ; ovariole number ; Pterocallis alni
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé P. alni DeGeer (Homopt. Callaphididae) vit sur Alnus glutinosa Gaertner pendant toute l'année. L'aulne étant un arbre fixant l'azote, cette étude a été entreprise pour examiner la croissance et la reproduction de ce puceron sur cet arbre afin d'expliquer les changements de la dynamique de sa population. 6 générations successives estivales ont été élevées dans la nature et en température constante au laboratoire. La qualité de l'aliment a été mesurée chaque semaine par une microkjeldahl analyse des concentrations foliaires en azote soluble. La qualité de l'aliment varie saisonnière, mais ne diminue que de 23%; elle semble n'avoir que peu d'effets sur le puceron, puisque la fécondité dans la nature n'est réduite que pendant une génération. Quand la température est maintenue constante, il n'y a pas de différences entre les performances des différentes générations de pucerons. Ainsi, les changements saisonniers dans la croissance et la reproduction des pucerons sont provoqués par la température et non par la qualité de l'aliment.
    Notes: Abstract Six successive summer generations of the alder aphid (Pterocallis alni (DeGeer) (Homoptera: Callaphididae)) were reared simultaneously in the field and under controlled temperature conditions in the laboratory. The growth and reproduction of each generation were recorded. The available food quality for the aphids was measured by weekly analysis of foliar soluble nitrogen concentrations. Although there was a significant change in leaf soluble nitrogen during the season, the decline was only 23% and this did not appear to have an adverse effect on the performance of this aphid. Instead, the major environmental factor affecting the aphid is temperature. This is evidenced by the facts that when aphids were reared at constant temperatures, there were no differences in generation performance, even though food quality varied seasonally. In addition, all generations of the aphid posess the same number of ovarioles, indicating that there is no pre-programmed anticipation of a seasonal deterioration in food quality in this aphid species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349590
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  • 10
    Electronic Resource
    Electronic Resource
    Pteridine compounds in adults of the pink-spotted bollowrm, Pectinophora scutigera (1990)
    Springer
    Entomologia experimentalis et applicata 57 (1990), S. 77-83 
    Details
    ISSN: 1570-7458
    Keywords: Age ; pteridine ; Pectinophora ; Lepidoptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé En chromatographie liqudde à haute performance (HPLC) à détection par fluorescence, 4 composés ptéridiniques: la xanthoptérine, l'isoxanthoptérine, la 6-bioptérine et la ptérine ont été décelés dans les têtes de P. scutigera Holdaway (Lep. Gelechiidae) adultes. Un autre composé, dénommé ‘xanthoptérine modifiée’, a été décelé aussi dans les têtes de papillons; de même l'isoxanthoptérine a été décelée dans les thorax et abdomens. Les concentrations de ces ptérines ont été dosées dans les têtes des papillons de 2 à 50 jours au laboratoire à 25°C. Les concentrations d'isoxatthoptérine ont été dosées dans les thorax et les abdomens de 2 à 40 jours. La xanthoptérine de la ‘xanthoptérine modifiée’ diminuent nettement avec l'âge, tandis que la ptérine diminue plus lentement et que la 6-bioptérine se maintient pratiquement sans changements. L'isoxanthoptérine diminue dans les têtes de mâles de 38,3 ng/tête à 2 j à 22,7 ng/tête à 50 j, mais chez les femelles les concentrations augmentent nettement de 41,2 ng/tête à 2 j à 150,4 ng/tête à 50 j. Des modifications de même type ont été observées dans les thorax et les abdomens des mâles et des femelles. Les modifications de concentration de la ‘xanthoptérine modifiée’ des têtes de papillons peuvent être utilisées pour évaluer l'âge physiologique de mâles et des femelles de P. scutigera. La confiance dans ces estimations peut être améliorée en se référant aux concentrations d'isoxanthoptérine dans les thorax des mâles et au rapport isoxanthoptérine/‘xanthoptérine modifiée’ dans les têtes de femelles.
    Notes: Abstract The amounts of four pteridine compounds, xanthopterin, isoxanthopterin, 6-biopterin and pterin and a further unidentified substance, termed ‘modified xanthopterin’, were determined in the heads of adult Pectinophora scutigera (Holdaway) (Lepidoptera: Gelechiidae), aged between 2 and 50 days and reared in the laboratory at 25°C. The level of isoxanthopterin was also determined in the thoraces and abdomens of moths aged between 2 and 40 days. The levels of xanthopterin, and ‘modified xanthopterin’ decreased markedly in the heads of males and females with increasing moth age, while those of pterin decreased more slowly and 6-biopterin remained largely unchanged. Isoxanthopterin decreased in male heads from 38.3 ng/head at 2 days to 22.7 ng/head at 50 days, but in females levels increased from 41.2 ng/head at 2 days to 150.4 ng/head at 50 days. Similar changes in the amounts of isoxanthopterin with increasing moth age were observed in male and female thoraces and abdomens. The results are discussed in relation to using pteridine compounds for estimating the physiological age of P. scutigera.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349597
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