Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946 PDF Download

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Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946

Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946 PDF Author: William Procter
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 572

Book Description

Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946

Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946 PDF Author: William Procter
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 572

Book Description

Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features

Biological Survey of the Mount Desert Region: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features PDF Author: William Procter
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 572

Book Description

Biological Survey of the Mount Desert Region, Founded and Directed by William Procter ... From the Laboratory of the Biological Survey of the Mount Desert Region, Corfield, Bar Harbor, Maine: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946

Biological Survey of the Mount Desert Region, Founded and Directed by William Procter ... From the Laboratory of the Biological Survey of the Mount Desert Region, Corfield, Bar Harbor, Maine: (Being a revision of pts. I and VI) The insect fauna with references to methods of capture, food plants, the flora and other biological features. 1946 PDF Author: William Procter
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 570

Book Description

Dictionary Catalog of the Department Library

Dictionary Catalog of the Department Library PDF Author: United States. Department of the Interior. Library
Publisher:
ISBN:
Category : Library catalogs
Languages : en
Pages : 804

Book Description

American Book Publishing Record Cumulative, 1876-1949

American Book Publishing Record Cumulative, 1876-1949 PDF Author: R.R. Bowker Company. Department of Bibliography
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1072

Book Description

Catalog of the Library of the Academy of Natural Sciences of Philadelphia

Catalog of the Library of the Academy of Natural Sciences of Philadelphia PDF Author: Academy of Natural Sciences of Philadelphia. Library
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 766

Book Description

Biological Survey of the Mount Desert Region: The insect fauna, with reference to the flora and other biological features, by C.W. Johnson

Biological Survey of the Mount Desert Region: The insect fauna, with reference to the flora and other biological features, by C.W. Johnson PDF Author: William Procter
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 256

Book Description

The Conservation Biology of Tortoises

The Conservation Biology of Tortoises PDF Author: IUCN/SSC Tortoise and Freshwater Turtle Specialist Group
Publisher: IUCN
ISBN: 2880329868
Category : Nature conservation
Languages : en
Pages : 210

Book Description

Southwestern Desert Resources

Southwestern Desert Resources PDF Author: William L. Halvorson
Publisher: University of Arizona Press
ISBN: 081655241X
Category : Science
Languages : en
Pages : 375

Book Description
The southwestern deserts stretch from southeastern California to west Texas and then south to central Mexico. The landscape of this region is known as basin and range topography featuring to “sky islands” of forest rising from the desert lowlands which creates a uniquely diverse ecology. The region is further complicated by an international border, where governments have caused difficulties for many animal populations. This book puts a spotlight on individual research projects which are specific examples of work being done in the area and when they are all brought together, to shed a general light of understanding the biological and cultural resources of this vast region so that those same resources can be managed as effectively and efficiently as possible. The intent is to show that collaborative efforts among federal, state agency, university, and private sector researchers working with land managers, provides better science and better management than when scientists and land managers work independently.

Status of Pollinators in North America

Status of Pollinators in North America PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309102898
Category : Technology & Engineering
Languages : en
Pages : 327

Book Description
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.
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