Get Agroecology: Researching the Ecological Basis for PDF

By Stephen R. Gliessman (auth.), Stephen R. Gliessman (eds.)

ISBN-10: 146123252X

ISBN-13: 9781461232520

ISBN-10: 1461279348

ISBN-13: 9781461279341

***e FACHGEBIET*** Agriculture, Agronomy, Forestry, Horticulture, Soil technology, Environmental technology (esp. Plant Ecology), Agricultural Chemistry, Agricultural Economics, typical source Economics, Sociology, and Anthropology ***INTERESSENTENGRUPPE*** Of curiosity to researchers, scholars, and pros within the above fields.- point: Technical ebook, Monograph ***URHEBER*** S.R.Gliessman, collage of California, Santa Cruz, CA (Ed.) ***TITEL*** Agroecology ***UNTERTITEL*** Researching the Ecological foundation for Sustainable Agriculture ***BIBLIOGRAPHISCHE-ANGABEN*** 1990. XIV, 380 pp. 87 figs. (Ecological stories. Eds.: W.D. Billings, F. Golley, O.L. Lange, J.S. Olson, H. Remmert. Vol. seventy eight) Hardcover DM 198,- ISBN 3-540-97028-2 ***CONTENTS*** Contents: Part I: simple Ecological ideas in Agroecosystems.- Part II: Agroecosystem layout and Management.- Index. ***LANGTEXT*** This ebook presents an creation to investigate ways within the rising interdisciplinary box of agroecology. It demonstrates in a chain of foreign case reviews tips on how to mix the extra production-oriented concentration of the agronomist with the extra systems-oriented perspective of the ecologist. varied methodologies for quantifying and comparing agroecosystem sustainability are offered and analyzed. top researchers within the box offer examples of the range and complexity of agroecological study, starting from archeology to insect ecology, and think about layout and administration of agroecosystems that span from the humid tropics to temperate areas. This well timed review might be of serious worth to ecologists, agronomists, geographers, foresters, anthropologists, and others enthusiastic about constructing a sustainable foundation for land use, administration, and conservation world wide. ***RS-ENDE*** RS 11/89 PREX ***RS-NOTIZEN*** NY/Dr. Czeschlik

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Hyalinata was likely due to both resource concentration effects and more efficient biological control by natural enemies. 3 Habitat Attraction and Predator-Prey Interactions in Monoculture Versus Intercropped Fields Dempster and Coaker (1974) observed that even small changes in cropping practices can greatly alter the attractiveness of plots to a pest and its natural enemies. , 1977). Diversification of vineyards has shown that the presence of alternate prey associated with noncrop vegetation can prevent local extinction of predator species (Doutt and Nakata, 1973) or increase the proximity of colonizer sources (Flaherty, 1969).

Brown et al. (1979) have shown that the abundance of the desert winter annual, Filago cali/ornica, is reduced by seed harvesting ants and, in the presence of ants, plant diversity increases in these communities (Inouye and others, 1980). Seed-harvesting behavior often results in seed dispersal, and therefore does not always have a negative effect on a plant's reproductive success. Ant dispersal of desert Datura discolor seeds lowers later harvesting by rodents (O'Dowd and Hay, 1980). In mesic West Virginia forests, Heithaus (1981) has shown for several plant species that dispersal by ants lowers both pre- and postdispersal seed depredation by rodents.

3 Habitat Attraction and Predator-Prey Interactions in Monoculture Versus Intercropped Fields Dempster and Coaker (1974) observed that even small changes in cropping practices can greatly alter the attractiveness of plots to a pest and its natural enemies. , 1977). Diversification of vineyards has shown that the presence of alternate prey associated with noncrop vegetation can prevent local extinction of predator species (Doutt and Nakata, 1973) or increase the proximity of colonizer sources (Flaherty, 1969).

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Agroecology: Researching the Ecological Basis for Sustainable Agriculture by Stephen R. Gliessman (auth.), Stephen R. Gliessman (eds.)


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