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Author : Joseph Grinnell
Publisher : Unknown
Page : 534 pages
File Size : 43,7 Mb
Release : 1922
Category : Birds
ISBN : CUB:P103102901006
Author : Anonim
Publisher : Unknown
Page : 52 pages
File Size : 44,8 Mb
Release : 1978
Category : Electronic
ISBN : NWU:35556030611396
Author : Anonim
Publisher : Unknown
Page : 90 pages
File Size : 44,7 Mb
Release : 1997
Category : Heteromyidae
ISBN : UCR:31210011093950
Author : Aryan I. Roest
Publisher : Unknown
Page : 90 pages
File Size : 43,6 Mb
Release : 1982
Category : Endangered species
ISBN : UOM:39015024951959
Author : California. University. Press,University of California Press
Publisher : Univ of California Press
Page : 268 pages
File Size : 50,5 Mb
Release : 1944
Category : Publishers' catalogs
ISBN : 8210379456XXX
Author : Anonim
Publisher : Unknown
Page : 318 pages
File Size : 55,8 Mb
Release : 1997
Category : Endangered plants
ISBN : MINN:31951P009599053
Author : Anonim
Publisher : Unknown
Page : 268 pages
File Size : 41,5 Mb
Release : 1984
Category : Electronic
ISBN : NWU:35556030811855
Author : Philip W. Rundel,Gloria Montenegro,Fabian M. Jaksic
Publisher : Springer Science & Business Media
Page : 460 pages
File Size : 47,6 Mb
Release : 2013-04-17
Category : Science
ISBN : 9783662035436
Human impact on natural landscapes through urbanization and agricultural expansion are becoming more and more dramatic and are the cause of serious environmental problems. This volume examines the effect of landscape disturbance on plant and animal diversity in the five mediterranean-climate regions of the world. It begins with three introductory chapters broadly reviewing the issues of landscape degradation. Further contributions describe regional land use conflicts in each of the five regions. Landscape disturbance and plant diversity, and landscape disturbance and animal diversity are treated in separate chapters. Four contributions deal with demography and ecophysiology in vegetation succession following disturbance. The volume closes with a consideration of the future addressing aspects of environmental politics.
Author : David J. Hafner
Publisher : IUCN
Page : 188 pages
File Size : 44,8 Mb
Release : 1998
Category : Nature
ISBN : 2831704634
The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.
Author : Anonim
Publisher : Unknown
Page : 1058 pages
File Size : 40,8 Mb
Release : 1970
Category : Fisheries
ISBN : STANFORD:36105113703248
Author : Anonim
Publisher : Univ of California Press
Page : 190 pages
File Size : 52,5 Mb
Release : 2024-07-01
Category : Electronic
ISBN : 8210379456XXX
Author : Iyad A. Nader
Publisher : Unknown
Page : 146 pages
File Size : 43,6 Mb
Release : 1978
Category : Nature
ISBN : IND:30000121345759
Twenty morpholoigcl characters in addition to color were studied throughout the geographic range of two species of kangaroo rats, the banner-tailed kangaroo rat Dipodomys spectabilis and the desert kangaroo rat Dipodomys deserti. A total of 2725 specimens from 689 localities was examined in this study: 1,187 specimens from 368 localities for D. spectabilis and 1,538 specimens from 321 localities for D. deserti. The two species are characterized and notes are given concerning their habitat, longevity, predators, parasites, molt, and reproductive activity.
Author : Ronald D. Quinn
Publisher : Unknown
Page : 20 pages
File Size : 52,5 Mb
Release : 1990
Category : Chaparral ecology
ISBN : UIUC:30112020133119
Forty-nine species of mammals regularly occur in California chaparral, but none lives only in chaparral. Among the 49 species, 7 are found primarily in mature chaparral, 9 in young chaparral or along ecotones between chaparral and other plant communities, and 19 in riparian areas. Five species occur in many habitats but prefer chaparral in California, and 9 have wide ranges that encompass many communities including chaparral. By altering the structure of the plant community, fire in chaparral is important in determining the distribution and abundance of mammalian populations. Fire is not permanently destructive to the mammalian fauna. Wildlife habitat can be optimized by maintaining chaparral in many age classes, by restricting fuel reduction treatments to 1 to 100 ha, by protecting all trees, and by enhancing water sources. A given area of chaparral and contains two to four common, and two to nine total, species of rodents. Seeds, fruits, and young vegetative growth are the most important plant foods in chaparral. Only 12 species of mammals are endemic to chaparral because of the limited opportunity in both time and space for speciation to occur. Only kangarro rats (Dipodomys) and chipmunks (Eutamias) have speciated in chaparral.
Author : Anonim
Publisher : Unknown
Page : 770 pages
File Size : 55,8 Mb
Release : 2001
Category : Electronic
ISBN : NWU:35556033412560
Author : Anonim
Publisher : Unknown
Page : 430 pages
File Size : 50,9 Mb
Release : 2003
Category : Electronic
ISBN : NWU:35556034590661