| Title: | Linking species richness, biodiversity and ecosystem function in soil system |
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| Author(s): | Coleman, David C.; Whitman, William B. |
| Date: | 2004 |
| Source: | Pedobiologia, Vol. 49: 479-497 |
| Description: | Soils are the central organizing entities in terrestrial ecosystem and possess extremely diverse prokaryotic and eukaryotic biota. They are physically and chemically complex, with micro- and macro-aggregates embedded within a solid, liquid and gaseous matrix that is continually changing in response to natural and human-induced perturbations. Recent advances in molecular techniques in systematics have provided opportunities for the study of biodiversity and biocomplexiay of soil biota. A symposium and workshop on soil biogeochemistry and biodiversity international Symposium on Impacts of Soil Biodiversity on Biogeochemical Processes in Ecosystems, Taiwan Forestry Research Institute, Taipei, Taiwan April 18-24, 2004. Convened an international array of participants working in biomas on virtually every continent on the planet (ranging from polar to tropical regions). This special issue reports on the theoretical bases and applications of molecular methods for the measurement of soil biodiversity.Themes addressed inctude a melding of classical taxonomic investigations with biochemical fingerprinting and molecutar probing of organism identities. Several papers highlight new advances in identifications of prokaryotic and eukaryotic organisms. Examples include new developments in "fingerprinting" of microbes active in " mycorrhizospheres" using immunocapture and other innovative techniques. Developments in the study of impacts of invasive plant and animal species on ecosystem function and subsequent microbial community composition and function have been very great in the last 2-3 years. Soils are major repositories of legacies, including fine and coarse woody debris and other organic products, which have feedbacks on soil diversity. The ways in which species diversity and function of microbial and faunal communities interact and their importance to ecosystem function are examined in biological and biochemical detail. This paper provides an overview of soil biodivenity and its feedbacks on soil biogeochemical processes in ecosystems. |
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