Neotropical Birds PDF Download
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Author: Douglas F. Stotz
Publisher: University of Chicago Press
ISBN: 9780226776309
Category : Nature
Languages : en
Pages : 546
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Book Description
This unparalleled wealth of finely detailed ecological information on Neotropical bird communities will prove invaluable to all Neotropical wildlife managers, conservation biologists, and serious birders.
Author: Douglas F. Stotz
Publisher: University of Chicago Press
ISBN: 9780226776309
Category : Nature
Languages : en
Pages : 546
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Book Description
This unparalleled wealth of finely detailed ecological information on Neotropical bird communities will prove invaluable to all Neotropical wildlife managers, conservation biologists, and serious birders.
Author: Christian Devenish
Publisher:
ISBN:
Category : Biodiversity conservation
Languages : en
Pages : 486
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 296
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Book Description
Author: Gary Paul Nabhan
Publisher: University of Arizona Press
ISBN: 081655286X
Category : Science
Languages : en
Pages : 206
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Book Description
When migrating birds and other creatures move along a path of plant communities in bloom, they follow what has come to be known as a nectar trail. Should any of these plants be eliminated from the sequence—whether through habitat destruction, pests, or even aberrant weather—the movement of these pollinators may be interrupted and their very survival threatened. In recent efforts by ecologists and activists to envision a continental-scale network of protected areas connected by wildlife corridors, the peculiar roles of migratory pollinators which travel the entire length of this network cannot be underestimated in shaping the ultimate conservation design. This book, a unique work of comparative zoogeography and conservation biology, is the first to bring together studies of these important migratory pollinators and of what we must do to conserve them. It considers the similarities and differences among the behavior and habitat requirements of several species of migratory pollinators and seed dispersers in the West—primarily rufous hummingbirds, white-winged doves, lesser long-nosed bats, and monarch butterflies. It examines the population dynamics of these four species in flyways that extend from the Pacific Ocean to the continental backbone of the Sierra Madre Oriental and Rocky Mountains, and it investigates their foraging and roosting behaviors as they journey from the Tropic of Cancer in western Mexico into the deserts, grasslands, and thornscrub of the U.S.-Mexico borderlands. The four pollinators whose journeys are traced here differ dramatically from one another in foraging strategies and stopover fidelities, but all challenge many of the truisms that have emerged regarding the status of migratory species in general. The rufous hummingbird makes the longest known avian migration in relation to body size and is a key to identifying nectar corridors running through northwestern Mexico to the United States. And there is new evidence to challenge the long-supposed separation of eastern and western monarch butterfly populations by the Rocky Mountains as these insects migrate. Conserving Migratory Pollinators and Nectar Corridors in Western North America demonstrates new efforts to understand migratory species and to determine whether their densities, survival rates, and health are changing in response to changes in the distribution and abundance of nectar plants found within their ranges. Representing collaborative efforts that bridge field ecology and conservation biology in both theory and practice, it is dedicated to safeguarding dynamic interactions among plants and pollinators that are only now being identified.
Author: Asilomar California
Publisher:
ISBN:
Category :
Languages : en
Pages : 651
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Book Description
Author: John Rappole
Publisher: Columbia University Press
ISBN: 0231146787
Category : Science
Languages : en
Pages : 460
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Book Description
"John H. Rappole's sophisticated survey of field data clarifies key ecological, biological, physiological, navigational, and evolutionary concerns"--Publisher.
Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 360
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Book Description
Author: George W. Cox
Publisher: Island Press
ISBN: 1597269697
Category : Science
Languages : en
Pages : 417
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Book Description
Changes in seasonal movements and population dynamics of migratory birds in response to ongoing changes resulting from global climate changes are a topic of great interest to conservation scientists and birdwatchers around the world. Because of their dependence on specific habitats and resources in different geographic regions at different phases of their annual cycle, migratory species are especially vulnerable to the impacts of climate change. In Bird Migration and Global Change, eminent ecologist George W. Cox brings his extensive experience as a scientist and bird enthusiast to bear in evaluating the capacity of migratory birds to adapt to the challenges of a changing climate. Cox reviews, synthesizes, and interprets recent and emerging science on the subject, beginning with a discussion of climate change and its effect on habitat, and followed by eleven chapters that examine responses of bird types across all regions of the globe. The final four chapters address the evolutionary capacity of birds, and consider how best to shape conservation strategies to protect migratory species in coming decades. The rate of climate change is faster now than at any other moment in recent geological history. How best to manage migratory birds to deal with this challenge is a major conservation issue, and Bird Migration and Global Change is a unique and timely contribution to the literature.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 140
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Book Description
Author: R.I. Miller
Publisher: Springer Science & Business Media
ISBN: 940110719X
Category : Nature
Languages : en
Pages : 226
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Book Description
The diversity of life is displayed by a diversity the biodiversity elements. These unique of structural and functional elements. Many approaches are usually tailored to the region of aspects of this diversity are critical for main the world where the scientists' work is focused. taining the healthy functioning of biological This book presents accounts of many tech systems both within short and long time scales. niques that are currently being used in different Some highly diverse features of nature arise parts of the globe by conservation scientists. simply from the heterogeneous patterns that Many different techniques are necessary to comprise the web of nature. Many of these handle the differences in data types and data features contribute to the beauty and quality of coverages that occur across the globe. Also, a life. Humans do not yet understand enough variety of mapping approaches are needed about the complexity of nature to distinguish today to strengthen the many diverse critical those elements that act to support natural conservation objectives. These objectives include vitality from those elements that contribute the identification of the distribution patterns exclusively to our experience of beauty and for a species or habitat type and the placement quality in life. of protected area boundaries.
