Effects of habitat quality on secondary production in shallow estuarine waters and the consequences for the benthic-pelagic food web
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Cites background from "Effects of habitat quality on secon..."
...and economically important nekton that use such habitat during their lifecycle as nurseries (Gillet 2010)....
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...…ecological measurement of environmental disturbances that reflects in the ecological functioning, which in turn will be realized throughout the ecosystem via shifts in trophic relationships, nutrient cycling, and other key processes, and eventually provisioning of ecosystem services (Gillet 2010)....
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...In estuarine food webs, they represent a link between highly productive organic matter sources of the shallows and ecologically and economically important nekton that use such habitat during their lifecycle as nurseries (Gillet 2010)....
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...throughout the ecosystem via shifts in trophic relationships, nutrient cycling, and other key processes, and eventually provisioning of ecosystem services (Gillet 2010)....
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...real relationships in the ecosystem (Gillet 2010)....
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References
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"Effects of habitat quality on secon..." refers background or methods in this paper
...Chesapeake Bay Benthic Index of Biotic Integrity (B-IBI) scores (Weisberg et al. 1997), Mid Atlantic Integrated Assessment (MAIA) benthic index scores (Llansó et al 2002), species richness (S), ShannonWeiner Diversity (H´), and sediment nitrogen content (% by mass) were calculated/measured for…...
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...Estimate Independent p Near Field B-IBI 70 0.6779 0.2696 0.0001 Near-Field MAIA 70 1.2463 0.0348 0.4991 Log10 Community Near-Field S 70 0.9706 0.0315 0.0006 Production Near-Field H 70 0.9425 0.2008 0.0019 Far-Field BIBI 80 1.1570 0.1470 0.0320 Far-Field MAIA 80 0.8227 0.1889 0.0018 Far-Field S 80 1.0217 0.0404 0.0001 Far-Field H 80 0.9404 0.2286 0.0052 Near-Field B-IBI 70 -56.0500 0.4783 0.0001 Near-Field MAIA 70 0.4951 0.0457 0.6049 Log10 Bivalve Near-Field S 70 0.1708 0.0382 0.0190 Production Near-Field H 70 0.3081 0.1591 0.1680 Far-Field BIBI 80 -0.0352 0.2616 0.0503 Far-Field MAIA 80 -0.6648 0.3448 0.0043 Far-Field S 80 0.0993 0.0442 0.0282 Far-Field H 80 -0.6852 0.5029 0.0019 Near-Field B-IBI 70 0.7721 0.1600 0.0002 Near-Field MAIA 70 1.0803 0.0306 0.4167 Log10 Non-bivalve Near-Field S 70 0.8223 0.0290 0.0001 Production Near-Field H 70 0.7283 0.2184 0.0001 Far-Field BIBI 80 1.0394 0.1251 0.0090 Far-Field MAIA 80 1.0782 0.0790 0.0612 Far-Field S 80 0.9426 0.0330 0.0001 Far-Field H 80 1.1276 0.0955 0.0897 Near-Field B-IBI 26 1.5347 -0.2266 0.0470 Near-Field MAIA 26 0.8223 0.08702 0.3696 Near-Field S 26 0.2949 0.07957 0.0062 Near-Field H 26 1.1134 -0.04981 0.7824 Log10 Community Near-Field % Pollution Indicitive 26 0.5343 0.00988 0.0069 Production Far-Field B-IBI 27 2.5441 -0.4479 0.0001 (g AFDM m-2 y-1) Far-Field MAIA 27 1.8531 -0.2170 0.0009 Far-Field S 27 0.9442 0.0234 0.4077 Far-Field H 27 1.0578 0.0579 0.6467 Far-Field % Pollution Indicitive 27 1.2565 -0.0017 0.5879 Ti da l F re sh w at er (mg AFDM m-2 d-1) (mg AFDM m-2 d-1) (mg AFDM m-2 d-1) Sa lin e Salinity Zone Dependent Variable Stratum Independent Variable 1 Independent Variable 2 N r 2 Intercept Estimate Ind. Var....
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...37 The Chesapeake Bay B-IBI and the MAIA benthic index are two examples of multi-metric indices of benthic habitat condition used by the states of Maryland and Virginia (B-IBI) and the United States Ecological Protection Agency (MAIA) in the monitoring of the Chesapeake Bay and other Mid-Atlantic estuarine and coastal waters....
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...…sessile nature, which prevents them from avoiding pollution; their relatively long 7 lifespan, which integrates environmental insults over time, and the diversity of the community, which can lead to many different community states (Weisberg et al. 1997; Van Dolah et al. 1999; Llansó et al. 2002)....
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...Chisman Creek was not the highest quality site as determined simply by B-IBI score, 93 as the Chesapeake Bay Program would, or in the PCA conducted in this study, but it was not particularly degraded either....
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