Conservation Status Of The Arogos Skipper Atrytone Arogos In North And South Dakota

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Statement of Need and Reasonableness

Author : Anonim
Publisher : Unknown
Page : 346 pages
File Size : 48,6 Mb
Release : 1995
Category : Endangered species
ISBN : MINN:31951D018016672

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Statement of Need and Reasonableness by Anonim Pdf

Status of Pollinators in North America

Author : National Research Council,Division on Earth and Life Studies,Board on Agriculture and Natural Resources,Board on Life Sciences,Committee on the Status of Pollinators in North America
Publisher : National Academies Press
Page : 327 pages
File Size : 55,5 Mb
Release : 2007-05-13
Category : Technology & Engineering
ISBN : 9780309102896

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Status of Pollinators in North America by National Research Council,Division on Earth and Life Studies,Board on Agriculture and Natural Resources,Board on Life Sciences,Committee on the Status of Pollinators in North America Pdf

Pollinators-insects, birds, bats, and other animals that carry pollen from the male to the female parts of flowers for plant reproduction-are an essential part of natural and agricultural ecosystems throughout North America. For example, most fruit, vegetable, and seed crops and some crops that provide fiber, drugs, and fuel depend on animals for pollination. This report provides evidence for the decline of some pollinator species in North America, including America's most important managed pollinator, the honey bee, as well as some butterflies, bats, and hummingbirds. For most managed and wild pollinator species, however, population trends have not been assessed because populations have not been monitored over time. In addition, for wild species with demonstrated declines, it is often difficult to determine the causes or consequences of their decline. This report outlines priorities for research and monitoring that are needed to improve information on the status of pollinators and establishes a framework for conservation and restoration of pollinator species and communities.

Caterpillars in the Field and Garden

Author : Thomas J. Allen,Jim P. Brock,Jeffrey Glassberg
Publisher : Oxford University Press
Page : 241 pages
File Size : 44,6 Mb
Release : 2005-06-02
Category : Science
ISBN : 019803413X

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Caterpillars in the Field and Garden by Thomas J. Allen,Jim P. Brock,Jeffrey Glassberg Pdf

Jeffrey Glassberg's acclaimed Butterflies through Binoculars guides have revolutionized the way we view butterflies. Now there's a field guide in the same practical format, and with the same emphasis on conservation, to identify caterpillars. Caterpillars are as varied, fascinating, and often as colorful as the adult butterflies they become. This is the most comprehensive guide to these creatures available. It contains all the information necessary to find and identify the caterpillars of North America--from Two-tailed Swallowtails, some of the largest butterfly caterpillars at just over two inches when fully grown, to tiny Western Pygmy-Blues. Caterpillar seekers will learn how to distinguish between butterfly caterpillars and moth caterpillars, where and how to find caterpillars, and the visual differences between young and older caterpillars. Each species section describes how to identify the caterpillar, complete with brilliant photos--many published here for the first time. To make for easy field use, each caterpillar's key physical features, abundance, habitat, and major hostplants are listed on the same page as its photo. The book also contains a special section on butterfly gardening, offering valuable information on how to set up a butterfly garden and raise healthy butterfly caterpillars, and provides a thorough list of the plants butterflies most like to feast on. From the concerned gardener who wishes not to kill caterpillars that may one day become beautiful butterflies to the serious butterflier wishing to take the hobby to the next level, this remarkable guide will provide all of the information necessary for an enriching caterpillar experience.

The Butterflies of Canada

Author : Ross Layberry,Peter Hall,Don Lafontaine
Publisher : University of Toronto Press
Page : 354 pages
File Size : 52,9 Mb
Release : 1998-12-15
Category : Nature
ISBN : 9781442655720

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The Butterflies of Canada by Ross Layberry,Peter Hall,Don Lafontaine Pdf

Beautifully illustrated and clearly presented, The Butterflies of Canada is an indispensable guide to all aspects of butterfly study. Butterfly collecting has long been a popular summer activity, and as the growing popularity of butterfly watching and conservatories in Ontario and British Columbia shows, butterflies are a continuing source of delight and interest to Canadians. The Butterflies of Canada is the first comprehensive guide to all the butterflies found in Canada. Based on the national butterfly collection maintained by Agriculture and Agri-Food Canada, it contains descriptive individual accounts for the close to three hundred butterfly species recorded in Canada, including descriptions of early stages, subspecies, and key features that help distinguish similar species. Each species of butterfly has an individual distribution map, generated from a database of more than 90,000 location records. More than just a field guide to identifying Canadian butterflies, however, The Butterflies of Canada includes chapters on Canadian geography and butterfly distribution, conservation, gardening, photography, and the history of butterfly study in Canada. It also contains new and unpublished information on the classification of butterflies, their ranges, larval food plants, abundance, flight seasons, and noteworthy habits. Thirty two colour plates provide diagnostic details for each species, and also feature butterflies in their natural habitats. There is an extensive bibliography.

Butterflies Through Binoculars

Author : Jeffrey Glassberg
Publisher : Oxford University Press, USA
Page : 374 pages
File Size : 49,5 Mb
Release : 2001
Category : Nature
ISBN : 0195106695

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Butterflies Through Binoculars by Jeffrey Glassberg Pdf

Highly informative and featuring an extensive array of photos, this field guide offers a comprehensive display of all the magnificent butterflies of the western region, stretching from the plains of middle America to the Pacific coast and from southwestern Canada all the way to the Hawaiian islands. 1,052 photos.

The Butterflies of Manitoba

Author : P. Klassen
Publisher : University of Manitoba Press
Page : 300 pages
File Size : 50,6 Mb
Release : 1989
Category : Nature
ISBN : CORNELL:31924052754474

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The Butterflies of Manitoba by P. Klassen Pdf

Butterflies of Manitoba provides information on butterflies found from the northern Great Plains to the Arctic. Superb life-size colour plates supplement the species descriptions for all of the 114 butterflies found in Manitoba. After years of study, the authors have completed a book intended fro a broad audience for use in the field or for pure enjoyment. It is a delightful guide that will stand for years as Manitobas butterfly book.

Planning Update

Author : Anonim
Publisher : Unknown
Page : 6 pages
File Size : 52,8 Mb
Release : 1998-02
Category : San Diego National Wildlife Refuge (Calif.)
ISBN : MINN:30000010641318

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Planning Update by Anonim Pdf

Federal Recycling Program

Author : Anonim
Publisher : Unknown
Page : 6 pages
File Size : 55,9 Mb
Release : 1992
Category : Recycling (Waste, etc.)
ISBN : MINN:31951P010922924

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Federal Recycling Program by Anonim Pdf