Download Fragmentation in Semi-Arid and Arid Landscapes: Consequences by Kathleen A. Galvin, Robin S. Reid, Roy H. Behnke Jr., N. PDF

April 5, 2017 | Environmental Engineering | By admin | 0 Comments

By Kathleen A. Galvin, Robin S. Reid, Roy H. Behnke Jr., N. Thompson Hobbs

Exploring the concept that of fragmentation, the ecological methods interrupted through fragmentation, and the social results of fragmented landscapes, this publication provides a well timed synthesis at the results of fragmentation on arid and semi-arid pastoral structures during the international.

The worldwide value of the world’s rangelands is huge, with those arid and semi-arid structures making up virtually 25% of the earth’s landscapes – and helping the livelihoods of greater than 20 million humans. those ecosystems also are domestic to numerous of the planet’s last megafauna, in addition to different vital species. but fragmentation throughout those rangelands has considerably impaired the facility of either humans and animals to catch up on temporal heterogeneity in plants and water through exploiting its spatial heterogeneity, leading to constrained source availability.

The case is built that whereas fragmentation arises from various usual, social and financial stipulations all over the world it creates related results for human and usual platforms. With details from 9 websites around the globe the authors study how fragmentation happens, the styles that end result, and the implications of fragmentation for ecosystems and the folk who depend upon them. The ebook will offer a worthy reference for college kids and researchers in rangeland ecology, park and average source administration, environmental and ecological anthropology, economics and agriculture.

Show description

Read Online or Download Fragmentation in Semi-Arid and Arid Landscapes: Consequences for Human and Natural Systems PDF

Similar environmental engineering books

Plant pest risk analysis : concepts and application

This article presents guide at the recommendations and alertness of probability research within the box of regulatory plant safety, overlaying issues equivalent to the heritage on why and the way probability research is carried out and particular equipment for imposing threat research. This booklet additionally offers precious routines and case reports to help scholars of plant pathology and crop safeguard of their absorption of the topic.

Panarchy: Understanding Transformations in Human and Natural Systems

The publication examines theories (models) of ways structures (those of people, nature, and mixed humannatural platforms) functionality, and makes an attempt to appreciate these theories and the way they could support researchers boost powerful associations and rules for environmental administration. the elemental query this e-book asks is whether it truly is attainable to get past seeing surroundings as a sub-component of social structures, and society as a sub-component of ecological structures, that's, to appreciate human-environment interactions as their very own distinct process.

Problematic Wildlife: A Cross-Disciplinary Approach

This publication presents perception into the situations during which natural world species can create difficulties. a few species set off difficulties for human actions, yet many others desire people to save lots of them and to live on. The textual content addresses concerns confronted by way of economists and politicians facing legislation concerning activities undertaken to solve the issues of the interplay among people and flora and fauna.

Additional info for Fragmentation in Semi-Arid and Arid Landscapes: Consequences for Human and Natural Systems

Example text

E. A. Roth, M. A. Nathan, and E. Fratkin. 2004. Sedentism, seasonality, and economic status: a multivariate analysis of maternal dietary and health statuses between pastoral and agricultural Ariaal and Rendille communities in northern Kenya. American Journal of Physical Anthropology 123:277-291. Galaty, J. G. 1994. Rangeland tenure and pastoralism in Africa. Pages 185-204 In E. Fratkin, K. A. Galvin, and E. A. Roth, editors. African pastoralist systems: An integrated approach. Lynne Reiner Publishers, Boulder, Colorado, USA.

Only the economic side of the equation is considered; the ecological side and its value are ignored. However, ecosystem scientists and ecological-economic practitioners understand that complex systems are self-sustaining, whereas simplified (fragmented) ecosystems often require capital inputs, subsidies and/or management to be sustainable (Ellis and Peel 1995). ) to replace the access to natural capital lost through fragmentation (Prugh 1999). Land use patterns, driven by economic or political agendas, are unlikely to be perfectly superimposed on spatial complexity patterns.

M. B. Coughenour, D. W. Bailey, R. W. Rittenhouse, O. E. Sala, and D. M. Swift. 1987. Large herbivore foraging and ecological hierarchies. BioScience 37:789-795. Shinn, E. , G. W. Smith, J. M. Prospero, P. Betzer, M. L. Hayes, V. Garrison, and R. T. Barber. 2000. African dust and the demise of Caribbean coral reefs. Geophysical Research Letters 27:3029-3032. Skarpe, C. 1991. Impact of grazing in savanna ecosystems. Ambio 20:351-356. Solbrig, O. T. 1996. The diversity of the savanna ecosystems.

Download PDF sample

Rated 4.61 of 5 – based on 31 votes