Aquatic Birds in the Trophic Web of Lakes PDF Download
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Author: Joseph J. Kerekes
Publisher: Springer Science & Business Media
ISBN: 9401111286
Category : Science
Languages : en
Pages : 513
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Book Description
Birds are an integral part of most freshwater ecosystems (lakes, rivers, wetlands) but their role in the trophic dynamics of these water bodies has often been overlooked. As a conspicuous part of the biota of water bodies, aquatic birds are indicators of their trophic state both in terms of species composition (quality) as well as occupancy and breeding (quantity). Birds may also influence the trophic state of a water body by importing nutrients (.e.g. resident or migrating birds feeding on adjacent watersheds or the sea). Because of anthropogenic activities, predation or their mobility, birds may not utilize otherwise suitable aquatic habitat. These factors complicate the relationship between aquatic bird production and the trophic status of habitats. As a consequence, the role of aquatic birds in freshwater ecosystems has usually been ignored. This volume contains a wide range of papers selected from those presented at the symposium and reviewed.
Author: Joseph J. Kerekes
Publisher: Springer Science & Business Media
ISBN: 9401111286
Category : Science
Languages : en
Pages : 513
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Book Description
Birds are an integral part of most freshwater ecosystems (lakes, rivers, wetlands) but their role in the trophic dynamics of these water bodies has often been overlooked. As a conspicuous part of the biota of water bodies, aquatic birds are indicators of their trophic state both in terms of species composition (quality) as well as occupancy and breeding (quantity). Birds may also influence the trophic state of a water body by importing nutrients (.e.g. resident or migrating birds feeding on adjacent watersheds or the sea). Because of anthropogenic activities, predation or their mobility, birds may not utilize otherwise suitable aquatic habitat. These factors complicate the relationship between aquatic bird production and the trophic status of habitats. As a consequence, the role of aquatic birds in freshwater ecosystems has usually been ignored. This volume contains a wide range of papers selected from those presented at the symposium and reviewed.
Author:
Publisher:
ISBN:
Category : Insects
Languages : en
Pages : 976
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Book Description
Author: Audrey Z. Smith
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 208
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Book Description
Known throughout the entomological world, the Hope Collections were founded upon a private donation by the Reverend Frederick William Hope in the mid-nineteenth century. The collections have been added to extensively since that time and contain a vast array of specimens. This book traces the history of the collections up to the present day and provides a comprehensive list of donors and of archives contained in the Hope Library.
Author: Dorset Natural History and Archaeological Society
Publisher:
ISBN:
Category : Archaeology
Languages : en
Pages : 380
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Book Description
List of members in each volume.
Author: Alex Córdoba-Aguilar
Publisher: OUP Oxford
ISBN: 0191552232
Category : Science
Languages : en
Pages : 304
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Book Description
Dragonflies and Damselflies documents the latest advances in odonate biology and relates these to a broader ecological and evolutionary research agenda. Despite being one of the smallest insect orders, dragonflies offer a number of advantages for both laboratory and field studies. In fact, they have been crucial to the advancement of our understanding of insect ecology and evolution. This book provides a critical summary of the major advances in these fields. Contributions from many of the leading researchers in dragonfly biology offer new perspectives and paradigms as well as additional, unpublished, data. The editor has carefully assembled a mix of theoretical and applied chapters (including those addressing conservation and monitoring) and achieves a balance of emerging and established research topics, providing suggestions for future study in each case. This accessible text is not about dragonflies per se but an essential source of knowledge that describes how different sets of evolutionary and ecological principles/ideas have been tested on a particular taxon. It will therefore be suitable for graduate students and researchers in entomology, evolutionary biology, population and behavioural ecology, and conservation biology. It will of course be of particular interest and use to those working on insects and an indispensable reference text for odonate biologists.
Author:
Publisher:
ISBN:
Category : Odonata
Languages : en
Pages : 450
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Book Description
Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 410
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Book Description
Author:
Publisher:
ISBN:
Category : Entomology
Languages : en
Pages : 652
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Book Description
Author: Albert Orr
Publisher: CSIRO PUBLISHING
ISBN: 1486313760
Category : Science
Languages : en
Pages : 626
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Book Description
Dragonflies and damselflies are conspicuous insects: many are large and brightly coloured. They are also valuable indicators of environmental wellbeing. A detailed knowledge of the dragonfly fauna is therefore an important basis for decisions about environmental protection and management. This comprehensive guide to the Australian dragonfly fauna covers eight families of dragonflies and 10 families of damselflies, comprising the 113 genera and 333 species found in Australia. It has been updated with newly identified species and revised family names to reflect new world consensus systematics. Stunning full-colour images and distribution maps are accompanied by identification keys for adults as well as larvae, which are often used as bait for freshwater fish. This second edition of The Complete Field Guide to Dragonflies of Australia also includes illustrations by Albert Orr, one of the most renowned dragonfly illustrators. The extraordinary diversity of dragonflies will interest entomologists and amateur naturalists alike.
Author: Jill Silsby
Publisher: CSIRO PUBLISHING
ISBN: 0643102493
Category : Science
Languages : en
Pages : 248
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Book Description
Here, for the first time, is a comprehensive and accessible overview of one of the world’s most popular insect groups, the Odonata. Written for interested amateurs as well as more experienced professionals, Dragonflies of the World covers their evolution, ecology, behaviour, physiology and taxonomy. It describes their unique attributes and the distinctive features of the suborders, superfamilies, families and subfamilies.
