Impact of resource availability on species composition and diversity in freshwater nematodes

Michiels IC, Traunspurger W (2005)
OECOLOGIA 142(1): 98-103.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
This study investigates the long-term effects of resource availability in a freshwater nematode community. We carried out a mesocosm experiment where natural nematode communities were exposed to nutrient addition/ depletion over 2 years. Compared to the nutrient-addition treatment, species richness and diversity were strongly reduced upon nutrient depletion. The functional group of bacterial feeders particularly suffered severely from nutrient depletion. The decrease in diversity of bacterial feeders was linked to reduced species richness and diversity of large omnivorous species, as predicted by trophic-dynamic models. Tilman's ( 1976) statement, that under low nutrient levels the best competitor dominates the system, was applicable in our system. Upon nutrient depletion, resource depletion led to a monoculture of 1 small bacterial feeder, but even after 2 years of resource depletion, up to 16 species still coexisted. Our results provide strong evidence that freshwater nematode systems can be regulated by nutrient competition.
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Zeitschriftentitel
OECOLOGIA
Band
142
Zeitschriftennummer
1
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98-103
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Michiels IC, Traunspurger W. Impact of resource availability on species composition and diversity in freshwater nematodes. OECOLOGIA. 2005;142(1):98-103.
Michiels, I. C., & Traunspurger, W. (2005). Impact of resource availability on species composition and diversity in freshwater nematodes. OECOLOGIA, 142(1), 98-103. doi:10.1007/s00442-004-1700-6
Michiels, I. C., and Traunspurger, W. (2005). Impact of resource availability on species composition and diversity in freshwater nematodes. OECOLOGIA 142, 98-103.
Michiels, I.C., & Traunspurger, W., 2005. Impact of resource availability on species composition and diversity in freshwater nematodes. OECOLOGIA, 142(1), p 98-103.
I.C. Michiels and W. Traunspurger, “Impact of resource availability on species composition and diversity in freshwater nematodes”, OECOLOGIA, vol. 142, 2005, pp. 98-103.
Michiels, I.C., Traunspurger, W.: Impact of resource availability on species composition and diversity in freshwater nematodes. OECOLOGIA. 142, 98-103 (2005).
Michiels, IC, and Traunspurger, Walter. “Impact of resource availability on species composition and diversity in freshwater nematodes”. OECOLOGIA 142.1 (2005): 98-103.

3 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

Interactions among competing nematode species affect population growth rates.
Gansfort B, Uthoff J, Traunspurger W., Oecologia (), 2018
PMID: 29525905
Response of bacteria and meiofauna to iron oxide colloids in sediments of freshwater microcosms.
Höss S, Frank-Fahle B, Lueders T, Traunspurger W., Environ Toxicol Chem 34(11), 2015
PMID: 26031573
Endocrine disruption in nematodes: effects and mechanisms.
Höss S, Weltje L., Ecotoxicology 16(1), 2007
PMID: 17219088

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