@context |
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@context:
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@id:
https://www.bco-dmo.org/dataset/542922
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@type:
Dataset
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about:
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alternateName:
Artificial seagrass faunal counts
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creator:
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datePublished:
2014-12-12
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description:
<p>Access to this dataset is restricted until June 2015. Please contact the PI for further information.</p>
<p>The data are counts of taxa from samples of artificial seagrass (used to simulate eelgrass, <em>Zostera marina</em> L.) in San Diego Bay. Each line of data represents the total number of individuals from each taxon collected in a 0.25 x 0.25 m artificial seagrass unit (ASU) deployed in San Diego Bay. The density of individuals per square meter can be calculated by multiplying counts by 16. Taxa are identified to species where possible, but for some (primarily amphipods), identifications are to the family or genus level. </p>
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funder:
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identifier:
http://lod.bco-dmo.org/id/dataset/542922
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keywords:
biota, oceans
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license:
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measurementTechnique:
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name:
Counts of zootaxa collected in artificial seagrass in San Diego Bay, CA from 2012-2013 (Eelgrass Hab Fragmentation project)
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producer:
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@id:
https://www.bco-dmo.org/project/542509
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@type:
ResearchProject
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alternateName:
Eelgrass Hab Fragmentation
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description:
Description from NSF award abstract:
In this research project, the investigator will carry out a set of field experiments to determine whether the effects of experimentally fragmenting seagrass habitat on epifaunal community structure are mediated by environmental factors that typically co-vary in marine habitats: structural complexity and predation risk.
Studies in terrestrial and marine systems collectively show that the effects of patchiness depend largely on landscape context, i.e., the characteristics and settings of individual landscapes. Progress in exploring what aspects of landscape context modify effects of habitat fragmentation on ecological processes has been slow. The experiments developed for this research directly address primary questions about the role of habitat structure in moderating ecological processes in a critical nursery habitat, and take initial steps forward to explore three important concepts: (i) how communities respond to the process of habitat fragmentation, rather than simply how communities differ between continuous and patchy areas; (ii) the relative influences of the two major components of habitat fragmentation (habitat loss and increasing patchiness) on biodiversity; and (iii) how co-varying factors in naturally occurring habitats alter faunal responses to large-scale alteration of habitat.
Seagrasses provide critical ecosystem services including the formation of critical refuge and foraging areas for the postlarvae, juveniles, and adults of many species of fishes and invertebrates that feed on diverse assemblages of invertebrate epifauna and infauna. However, disturbances that fragment seagrass habitat are increasingly common and approximately 30% of the world's seagrass habitat has been lost. Disturbances to seagrass habitat may alter feedbacks between plants and invertebrate grazers that influence ecosystem function and may increase susceptibility to species invasions.
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name:
Habitat fragmentation as a process: how habitat context influences the effects of eelgrass loss on epifaunal community structure
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url:
https://www.bco-dmo.org/project/542509
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provider:
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publisher:
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subjectOf:
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url:
https://www.bco-dmo.org/dataset/542922
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variableMeasured:
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version:
2014-12-12
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Extracted by
http://clowder.ncsa.illinois.edu/extractors/deprecatedapi
on Oct 7, 2020
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