Macroinvertebrates associated with water hyacinth roots and a root analog

Abstract The ecological effects of water hyacinth (Eichhornia crassipes), an introduced macrophyte, in freshwater systems depend on the growth and extent of floating mats. We studied macroinvertebrates associated with roots of water hyacinth in the Waccamaw River, a blackwater, tidal river in northe...

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Bibliographische Detailangaben
Veröffentlicht in:	Freshwater Science. - Society for Freshwater Science (SFS), 2011. - 33(2014), 1, Seite 159-167
1. Verfasser:	Barker, Julie E. (VerfasserIn)
Weitere Verfasser:	Hutchens, John J., Luken, James O.
Format:	Online-Aufsatz
Veröffentlicht:	2014
Zugriff auf das übergeordnete Werk:	Freshwater Science
Schlagworte:	Eichhornia crassipes macroinvertebrates assemblage blackwater river invasive plant roots water hyacinth Business Biological sciences Mathematics Physical sciences


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100	1		\|a Barker, Julie E. \|e verfasserin \|4 aut
245	1	0	\|a Macroinvertebrates associated with water hyacinth roots and a root analog
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520			\|a Abstract The ecological effects of water hyacinth (Eichhornia crassipes), an introduced macrophyte, in freshwater systems depend on the growth and extent of floating mats. We studied macroinvertebrates associated with roots of water hyacinth in the Waccamaw River, a blackwater, tidal river in northeastern South Carolina, USA. In this system, water hyacinth is limited to a few protected bays and backwaters where the ecological effect is unknown. Our goal was to assess whether water hyacinth roots provided unique habitat. Plants representing ambient conditions, plants with defaunated roots, and a root analog (cotton mop strands = mop) were secured to floating frames in open water adjacent to water hyacinth mats. Samples were collected every 2 wk for 2 mo, and invertebrates were identified and quantified. Colonization of defaunated roots began within 2 wk, and invertebrate assemblages differed between roots and mops. The most common taxa on water hyacinth roots were Branchiopoda, Oligochaeta, Talitridae, and Chironomidae (Diptera), whereas Oligochaeta and Chironomidae were predominant on mops. Berosus sp.(Hydrophilidae) was the top-ranked taxon by proportional biomass on roots and mops. Total abundance and taxon richness of macroinvertebrates were greater on roots than on mops. Collector-gatherers were the most abundant functional feeding group (FFG) on mops, whereas distributions of abundance were relatively even among FFGs on ambient and defaunated roots. Predators dominated invertebrate biomass of all treatments, and shredder biomass was higher on roots than on mops. These data suggest that water hyacinth roots provide habitat for a diverse assemblage of macroinvertebrates, a function that should be weighed and assessed with other impacts before management actions are initiated.
540			\|a © 2014 by The Society for Freshwater Science.
650		4	\|a Eichhornia crassipes
650		4	\|a macroinvertebrates
650		4	\|a assemblage
650		4	\|a blackwater river
650		4	\|a invasive plant
650		4	\|a roots
650		4	\|a water hyacinth
650		4	\|a Business \|x Industry \|x Industrial sectors \|x Service industries \|x Building services \|x Custodial services \|x Cleaning equipment \|x Mops
650		4	\|a Biological sciences \|x Biology \|x Zoology \|x Animals \|x Invertebrates
650		4	\|a Biological sciences \|x Ecology \|x Biomass
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plant morphology \|x Plant vegetation \|x Plant roots
650		4	\|a Biological sciences \|x Biology \|x Biological taxonomies \|x Taxa
650		4	\|a Biological sciences \|x Biology \|x Zoology \|x Animals \|x Invertebrates \|x Macroinvertebrates
650		4	\|a Mathematics \|x Mathematical values \|x Critical values \|x Roots of functions
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Marine botany \|x Aquatic plants \|x Macrophytes
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Bodies of water \|x Rivers \|x River water
650		4	\|a Physical sciences \|x Earth sciences \|x Hydrology \|x Limnology \|x Surface water
650		4	\|a Business \|x Industry \|x Industrial sectors \|x Service industries \|x Building services \|x Custodial services \|x Cleaning equipment \|x Mops
650		4	\|a Biological sciences \|x Biology \|x Zoology \|x Animals \|x Invertebrates
650		4	\|a Biological sciences \|x Ecology \|x Biomass
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Plant morphology \|x Plant vegetation \|x Plant roots
650		4	\|a Biological sciences \|x Biology \|x Biological taxonomies \|x Taxa
650		4	\|a Biological sciences \|x Biology \|x Zoology \|x Animals \|x Invertebrates \|x Macroinvertebrates
650		4	\|a Mathematics \|x Mathematical values \|x Critical values \|x Roots of functions
650		4	\|a Biological sciences \|x Biology \|x Botany \|x Marine botany \|x Aquatic plants \|x Macrophytes
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Bodies of water \|x Rivers \|x River water
650		4	\|a Physical sciences \|x Earth sciences \|x Hydrology \|x Limnology \|x Surface water
655		4	\|a research-article
700	1		\|a Hutchens, John J. \|e verfasserin \|4 aut
700	1		\|a Luken, James O. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Freshwater Science \|d Society for Freshwater Science (SFS), 2011 \|g 33(2014), 1, Seite 159-167 \|w (DE-627)686946898 \|w (DE-600)2651496-5 \|x 21619565 \|7 nnns
773	1	8	\|g volume:33 \|g year:2014 \|g number:1 \|g pages:159-167
856	4	0	\|u https://www.jstor.org/stable/10.1086/674173 \|3 Volltext
856	4	0	\|u https://doi.org/10.1086/674173 \|3 Volltext
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