Spatial scaling of species abundance distributions
نویسندگان
چکیده
Luís Borda-de-Água ([email protected]) and H. M. Pereira, Centro de Biologia Ambiental, Faculdade de Ciências, Univ. de Lisboa, PT-1749-016 Lisboa, Portugal, HMP also at: Depto de Engenharia Civil e Arquitectura, Inst. Superior Técnico, PT-1049 001 Lisboa, Portugal. – P. A. V. Borges, Azorean Biodiversity Group (CITA-A), Univ. dos Açores, Angra do Heroísmo, PT-9700 Angra do Heroísmo, Azores, Portugal. – S. P. Hubbell, Dept of Ecology and Evolutionary Biology, Univ. of California, Los Angeles, CA 90095, USA, and Center for Tropical Forest Science, Smithsonian Tropical Research Inst., Unit 0948, APO AA 34002-0948, Republic of Panama.
منابع مشابه
I DEA AND PERSPECT IVE A statistical theory for sampling species abundances
Jessica L. Green and Joshua B. Plotkin* Center for Ecology and Evolutionary Biology, University of Oregon, Eugene, OR, USA Department of Biology, University of Pennsylvania, 433 S. University Ave., Philadelphia, PA 19104, USA *Correspondence: E-mail: [email protected] Abstract The pattern of species abundances is central to ecology. But direct measurements of species abundances at ecologic...
متن کاملA statistical theory for sampling species abundances.
The pattern of species abundances is central to ecology. But direct measurements of species abundances at ecologically relevant scales are typically unfeasible. This limitation has motivated a long-standing interest in the relationship between the abundance distribution in a large, regional community and the distribution observed in a small sample from the community. Here, we develop a statisti...
متن کاملSpatial effects on species persistence and implications for biodiversity.
Natural ecosystems are characterized by striking diversity of form and functions and yet exhibit deep symmetries emerging across scales of space, time, and organizational complexity. Species-area relationships and species-abundance distributions are examples of emerging patterns irrespective of the details of the underlying ecosystem functions. Here we present empirical and theoretical evidence...
متن کاملPreliminary studies on the impact of fish cage culture rainbow trout (Oncorhynchus mykiss) on zooplankton structure in the southwestern Caspian Sea
The ecosystem of the Caspian Sea have been strikingly changed by human activities. This area has undergone significant ecological alterations and serious environmental degradation since the beginning of 1990s. The impact of fish cage culture on the zooplankton community was studied in the southwestern Caspian Sea, off Jafrud during January to April 2013. A total of 12 zooplankton belonging to 9...
متن کاملSpatial scaling laws do not structure strongyloid nematode communities in macropodid hosts.
The characteristics of species within a community can influence the number of species that can coexist within that community. In particular, body size can constrain how many individuals can 'fit' into a community, and overlap in resource use between species depends on differences in their body sizes. Here, using data from 18 communities of strongyloid nematodes living in the stomachs of macropo...
متن کاملHierarchical analysis of species distributions and abundance across environmental gradients.
Abiotic and biotic processes operate at multiple spatial and temporal scales to shape many ecological processes, including species distributions and demography. Current debate about the relative roles of niche-based and stochastic processes in shaping species distributions and community composition reflects, in part, the challenge of understanding how these processes interact across scales. Tra...
متن کامل