Raptor survey techniques
Author | : Mark R. Fuller |
Publisher | : |
Total Pages | : 30 |
Release | : 1987 |
Genre | : Birds of prey |
ISBN | : |
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Author | : Mark R. Fuller |
Publisher | : |
Total Pages | : 30 |
Release | : 1987 |
Genre | : Birds of prey |
ISBN | : |
Author | : Mark R. Fuller |
Publisher | : |
Total Pages | : 30 |
Release | : 1987 |
Genre | : Birds of prey |
ISBN | : |
Author | : Keith L. Bildstein |
Publisher | : |
Total Pages | : 474 |
Release | : 2007 |
Genre | : Nature |
ISBN | : |
« Think about how we know about past events in human history (e.g., the expansion of the Roman Empire, or the American Revolution). What types of records document those events? Now think about Earth's history, specifically the past environmental or climatic conditions at times before recorded human history. What records might there be of such conditions? Make a list of your ideas. n assemblage of five major types of natural archives of Earth's environmental and climatic history. What common feature(s) do each of these paleoclimate archives share? an assemblage of 5 major types of natural records, or archives, of Earth's environmental and climatic history. Just like a diary or other historical document, the layers in these natural archives contain indirect evidence (i.e., proxies) about past conditions and events, recorded in a sequential order. The evidence is specific to a certain time period and may be general or very detailed, depending on the rate that information was recorded. The faster the rate at which the recorder grew (trees and corals), accumulated (snow and ice), or was deposited (sedimentary sequences), the more detailed the record is, and the higher its resolution. For example, a record in which an annual signal can observed has a very high resolution. In contrast, if the finest observable details are on the order of a million years, then that record would have a low resolution. »--
Author | : Mark R. Fuller |
Publisher | : |
Total Pages | : 29 |
Release | : 1987 |
Genre | : Birds of prey |
ISBN | : |
Author | : Jon Hardey |
Publisher | : |
Total Pages | : 0 |
Release | : 2013 |
Genre | : Birds of prey |
ISBN | : 9780114973605 |
This is the 3rd edition of the field guide written for people who watch, survey or monitor birds of prey and contains detailed descriptions of survey methods for all species of raptor found regularly in Britain and Ireland. Written by a team from the Scottish Raptor Monitoring Group, this publication draws on the knowledge and experience of more than 300 raptor specialists. Chapters include the following topics: survey, surveillance and monitoring; population estimates; breeding season parameters; identification and breeding behaviours of raptors; good practice for fieldwork; and detailed species accounts. It includes a CD-ROM of raptor calls.
Author | : Colin J. Bibby |
Publisher | : Academic Press |
Total Pages | : 276 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 0080984509 |
Wild birds are counted for a wide variety of reasons and by a bewildering array of methods. However, detailed descriptions of the techniques used and the rationale adopted are scattered in the literature, and the newcomer to bird census work or the experienced bird counter in search of a wider view, may well have difficulty in coming to grips with the subject as a whole. While not an end in itself, numerical and distributional census work is a fundamental part of many scientific and conservation studies, and one in which the application of given standards is vital if results are not to be distorted or applied in a misleading way. This book provides a concise guide to the various census techniques and to the opportunities and pitfalls which each entails. The common methods are described in detail, and illustrated through an abundance of diagrams showing examples of actual and theoretical census studies. Anyone with a bird census job to plan should be able to select the method best suited to the study at hand, and to apply it to best effect within the limits inherent in it and the constraints of the particular study. The Royal Society for the Protection of Birds and the British Trust for Ornithology have for many years pioneered the collaboration of amateurs and professionals in various census studies. Three members of their staff, each with extensive field experience, now pool the knowledge of these investigations to lay the groundwork for sound census work in future years.
Author | : Beth A. Giron Pendleton |
Publisher | : |
Total Pages | : 486 |
Release | : 1987 |
Genre | : Birds of prey |
ISBN | : |
Author | : Mayo W. Call |
Publisher | : |
Total Pages | : 130 |
Release | : 1978 |
Genre | : Birds |
ISBN | : |
Author | : Colin J. Bibby |
Publisher | : |
Total Pages | : 134 |
Release | : 1998 |
Genre | : Bird populations |
ISBN | : 9780907649793 |