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  • 1
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    Unknown
    In:  The Mekong River Basin
    Publication Date: 2024-05-16
    Description: The complexity of the Mekong River Basin (MRB) has been presented in three different sections focusing on various aspects on the MRB ecohydrological system. Section 1 starts with the physical processes of climate, hydrology, sediment, aquatic biodiversity, changes of land cover/land use, and water related hazards like floods and droughts. In section 2, the book focuses on the water resource management and development and collaboration in the upper MRB, with a special focus on hydro-power development. The last section is dedicated to the Vietnamese Mekong Delta (VMD) crossing typical environmental problems like water pollution, river morphological changes, land subsidence, salinity intrusion, coastal erosion, as well as livelihood and climate change adaptation, and agriculture transformation.
    Type: info:eu-repo/semantics/bookPart
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  • 2
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    In:  The Mekong River Basin
    Publication Date: 2024-05-16
    Description: The Mekong River drains a catchment of over 800,000 km2 and is the world's 12th longest river (4800 km), the 8th largest water discharge (470 × 106 m3/year), and the 10th largest sediment load (160 × 106 tons/year). The Mekong starts on the Qinghai–Tibet Plateau with a maximal elevation of 5220 m, flows through six countries (China with 16% of its basin, Myanmar with 5% of its basin, Laos with 35% of its basin, Thailand with 18% of its basin, Cambodia with 18% of its basin, and Vietnam with 11% its basin), and empties into the Vietnam East Sea (South China Sea). The Mekong River basin (MRB) has the world's most diverse river ecosystem. It is the world's largest inland fishery. Its biodiversity is fundamental to agricultural production and the food security of 90 million people in the Lower Mekong basin, including about 18 million people in the Vietnamese Mekong delta.
    Type: info:eu-repo/semantics/bookPart
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  • 3
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    Elsevier
    In:  Ecohydrological Complexity from Catchment to Coast
    Publication Date: 2024-05-16
    Description: The Mekong River Basin: Ecohydrological Complexity from Catchment to Coast, Volume Three presents real facts, data and predictions for quantifying human-induced changes throughout the Mekong watershed, including its estuaries and coasts, and proposes solutions to decrease or mitigate the negative effect and enable sustainable development. This is the first work to link socio–ecological interaction study over the whole Mekong River basin through the lens of ecohydrology. Each chapter is written by a leading expert, with coverage on climate change, groundwater, land use, flooding drought, biodiversity and anthropological issues. Human activities are enormous in the whole watershed and are still increasing throughout the catchment, with severe negative impacts on natural resources are emerging. Among these activities, hydropower dams, especially a series of 11 dams in China, are the most critical as they generate massive changes throughout the system, including in the delta and to the livelihoods of millions of people and they threaten sustainability.
    Type: info:eu-repo/semantics/book
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  • 4
    Publication Date: 2024-05-16
    Description: The Mekong Delta is affected by annual seasonal salinity intrusion in December–May. In this season, the discharge of the Mekong is low, and high tidal water levels cause a deep intrusion of saline water. Critical salt concentrations can be observed 50–80 km deep during high tides. These high salt concentrations cause severe problems in terms of fresh irrigation and drinking water. A quantitative knowledge of the current and likely future salinity intrusion is thus urgently required to develop adaptation plans and mitigation measures. This chapter quantifies the current salinity intrusion in the Mekong Delta, as well as a model-based estimation of the possible future salinity intrusion. The different factors affecting salinity intrusion—changing river discharge by climate change and dam development, changes in effective tidal water levels, changing ocean salinity—and their impacts are quantified by hydraulic modeling. Based on the modeling results, recommendations for future planning are derived.
    Type: info:eu-repo/semantics/bookPart
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  • 5
    Publication Date: 2024-05-16
    Description: A fragmentary nerineoid gastropod collected from the Maasvlakte 2 beach may be identified as Ptygmatis cf. bruntrutana (Thurmann, 1832). Probably originating from Upper Jurassic strata in north-eastern France, it must have been transported here by a forerunner of the River Meuse (Maas).
    Keywords: Late Jurassic ; Maasvlakte 2 ; Meuse ; Nerineoidea ; Paris Basin ; Ptygmatis
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    Les Amis d'Acarologia
    In:  Acarologia vol. 64 no. 2, pp. 602-611
    Publication Date: 2024-05-16
    Description: New records of rare water mites mostly from interstitial habitat of New Zealand are presented. One new genus, Zelandostygolimnochares n. gen. (Piersigiidae) with the type species Z. curtipalpis n. sp. is described. Zelandobates occidentalis Smit & Pešić, 2020 is synonymized with Z. tongariro Smit & Pešić, 2020. The male is for the first time described for Zelandotonia orion Cook, 1992, and the female is for the first time described for Aciculacarus amalis Cook, 1983. New records of a number of rare species are presented.
    Keywords: new species; taxonomy; hyporheic mites; new records; New Zealand
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
    Publication Date: 2024-05-16
    Description: In the present paper, the existence and location of the type series of the Japanese dancing mouse or waltzer, Mus wagneri variety rotans Droogleever Fortuyn, 1912, are established, and a lectotype is designated. Available type specimens are measured, and some morphological parameters, sex, and general condition of the specimens are recorded. A literature survey was conducted, and an attempt is made to clarify the position of M. wagneri variety rotans in the taxonomy of Mus. A genetic analysis suggests that the type series of the Japanese dancing mouse represent a crossbred, or derivation of a crossbred, between the original Japanese dancing mouse of Mus musculus molossinus Temminck 1844 origin and European fancy or laboratory mice of Mus musculus domesticus Schwarz & Schwarz, 1943 origin. Much of their genome was replaced and occupied by Mus musculus domesticus type genome, probably through extensive breeding with European mice.
    Keywords: Crossbred ; genetic analysis ; genome ; Japanese dancing mouse ; lectotype ; taxonomic position
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 8
    Publication Date: 2024-05-16
    Description: Type material of some South American species in the Museum für Naturkunde Berlin, belonging to different families is documented. It includes 16 species: Bulimus cuneus L. Pfeiffer, 1854, Bulimus proteus Broderip, 1832, Bulimus scalarioides L. Pfeiffer, 1867, Bulimus similaris J. Moricand, 1856, Andinia (Ehrmanniella) dedicata Weyrauch & Zilch, 1954, Helix hettneriana E. von Martens, 1897, Eurycampta hidalgonis Döring, 1877, Helix aequatoris L. Pfeiffer, 1860, Helix bituberculata L. Pfeiffer, 1853, Helix bourcieri L. Pfeiffer, 1853, Helix neogranadensis L. Pfeiffer, 1845, Cyclostoma (Cyclophorus) bourcieri L. Pfeiffer, 1854, and Helix platygyra Albers, 1857. The concept of the “salvation” of type material is explained.
    Keywords: Achatinidae ; Bulimulidae ; Clausiliidae ; Epiphragmophoridae ; Labyrinthidae ; Neocyclotidae ; Scolodontidae
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 9
    Publication Date: 2024-05-16
    Description: Here we report a well-preserved isolated physeteroid tooth of Late Miocene age from Liessel, the Netherlands. The presence of several morphological features allows attribution to the macroraptorial physeteroids. Size and morphology are to some extent comparable to Zygophyseter and almost identical to the primarily tooth-based Tortonian taxon Scaldicetus caretti. However, the genus Scaldicetus was declared unutilizable, which is supported here with an overview of modern classifications of Scaldicetus species and specimens. Despite the restrictions, the type species S. caretti is still valid, although the name is to be restricted to the type material. Based on its morphological resemblance, the tooth is identified as Physeteroidea indet. cf. Scaldicetus caretti.
    Keywords: Late Miocene ; macroraptorial physeteroid ; Scaldicetus caretti ; Zygophyseter
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 10
    Publication Date: 2024-05-16
    Description: The genus Micronecta Kirkaldy, 1897 is the most species-rich genus in the family Micronectidae, containing more than 160 species. Micronecta is currently divided into 11 subgenera, five of which are monotypic. Moreover, the subgenus Micronecta is an empirical mixture group. The definitions of some subgenera were based on only a few aberrant morphological features, which are specializations with few phylogenetic significances. The relationship between these subgenera remains unclear. In this study, we newly sequenced mitochondrial genomes (mitogenomes) and nuclear rDNAs (nrDNAs) for 13 Micronecta species, representing seven subgenera, and those for ten other water bugs. Our phylogenetic analyses showed that the subgenus Lundbladella represents the sister group to all other studied subgenera of Micronecta. The subgenus Unguinecta was the sister group to the clade that contains Dichaetonecta and Sigmonecta. More importantly, the subgenus Micronecta represents a paraphyletic group, which further forms a monophyletic group together with the subgenera Basileonecta and Ctenonecta. This is for the first time that the phylogeny of the genus Micronecta was investigated based on molecular data and the paraphyly of the subgenus Micronecta was revealed. Such evidence suggested the necessity of the revision of the taxonomic system of the genus in the future, and may also serve as a reference for the delimitation of subgeneric characters.
    Keywords: Aquatic insects ; Corixoidea ; Nepomorpha ; water boatmen ; phylogeny ; subgenus
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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