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Microinvertebrate and plant beta diversity in dry soils of a semiarid agricultural wetland complex

AuthorsAngeler, D. G.; Viedma, Olga; Cirujano, Santos ; Álvarez Cobelas, Miguel ; Sánchez Carrillo, Salvador
KeywordsAgricultural landscape
Anthropogenic stress
Conservation ecology
Propagule banks
Spatial species turnover
Issue Date2008
PublisherCommonwealth Scientific and Industrial Research Organization (Australia)
CitationMarine and Freshwater Research 59: 418–428 (2008)
AbstractThe relationship between environmental features and the β diversity of the propagule bank of dry soils of temporary wetlands has relevance to ecological theories of community structure and to the conservation of wetland biodiversity. The correlation of β diversity of microinvertebrates and macrophytes derived from propagules in dry soils with wetland habitat characteristics, catchment land-use, and the distance between wetlands in a remnant pond complex in central Spain was assessed. Redundancy analyses showed that β diversity of both groups correlated with habitat characteristics, whereas associations with catchment agricultural practices were weaker. Nestedness analyses showed that species-poor communities from degraded sites tended to form nested subsets of less degraded ponds with higher species richness. Distance between the ponds had no significant association with community similarity, suggesting that fragmentation did not shape β diversity at the scale of our study area. To maintain high β diversity in this area, ponds with species-rich propagule banks should receive conservation priority. Given the functional dependence by much wildlife on these propagule banks once these wetlands rewet, conservation of this hidden biodiversity is crucial for providing ecosystem services to humans and wildlife
Description11 pages, 3 figures, 3 tables
Publisher version (URL)http://dx.doi.org/10.1071/MF07206
Appears in Collections:(IRN) Artículos
(RJB) Artículos
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