Описание: This work provides a user-friendly, species level taxonomic key based on morphology, current nomenclature, and modern taxonomy using molecular tools which fulfill the most pressing needs of both researchers and environmental managers. This key arms the reader with the tools necessary to improve their species identification abilities. This book resolves another issue as well: the mix of female and male characters used in keys to the calanoid copepods. Often, during the identification process, both calanoid copepod sexes are not available, and the user of such a key is stuck with an uncertain identification. Here, separate male and female keys to the calanoid copepods are provided for both the genera and species levels.
Автор: David Dudgeon Название: Freshwater Biodiversity: Status, Threats and Conservation ISBN: 0521745195 ISBN-13(EAN): 9780521745192 Издательство: Cambridge Academ Рейтинг: Цена: 6494.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Intended for readers interested in ecology conservation and natural history, this book describes the threats humans pose to freshwater animals, making them more endangered than their land and sea counterparts. The consequences of human activities on freshwater ecosystems, and how to mitigate them, is a recurring theme.
Автор: David L. Hawksworth; Alan T. Bull Название: Marine, Freshwater, and Wetlands Biodiversity Conservation ISBN: 1402057334 ISBN-13(EAN): 9781402057335 Издательство: Springer Рейтинг: Цена: 36570.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Marine, coastal and wetland habitats are threatened, through exploitation, and also by climate change, as ocean currents change course, sea levels rise, and rainfall patterns change.
Автор: David Dudgeon Название: Freshwater Biodiversity: Status, Threats and Conservation ISBN: 0521768039 ISBN-13(EAN): 9780521768030 Издательство: Cambridge Academ Рейтинг: Цена: 12830.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Intended for readers interested in ecology conservation and natural history, this book describes the threats humans pose to freshwater animals, making them more endangered than their land and sea counterparts. The consequences of human activities on freshwater ecosystems, and how to mitigate them, is a recurring theme.
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