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The Impact of Invertebrates to Four Aquatic Macrophytes: Potamogeton Nodosus, P. illinoensis, Vallisneria Americana and Nymphaea Mexicana

Library Holdings.

This research investigated the impact of invertebrates to four species of native aquatic macrophytes: V. americana, P. nodosus, P. illinoensis, and N. mexicana. Two treatments were utilized on each plant species, an insecticide treatment to remove most invertebrates and a non-treated control. Ten herbivore taxa were collected during the duration of the study including; Synclita, Paraponyx, Donacia, Rhopalosiphum, and Hydrellia. Macrophyte biomass differences between treatments were not measured for V. americana or N. mexicana. The biomasses of P. nodosus and P. illinoensis in non-treated areas were reduced by 40% and 63% respectively. This indicated that herbivory, once thought to be insignificant to aquatic macrophytes, can cause substantial reductions in biomass.

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Date Of Record Release 2010-05-24 13:26:49
Description Library Holdings.

This research investigated the impact of invertebrates to four species of native aquatic macrophytes: V. americana, P. nodosus, P. illinoensis, and N. mexicana. Two treatments were utilized on each plant species, an insecticide treatment to remove most invertebrates and a non-treated control. Ten herbivore taxa were collected during the duration of the study including; Synclita, Paraponyx, Donacia, Rhopalosiphum, and Hydrellia. Macrophyte biomass differences between treatments were not measured for V. americana or N. mexicana. The biomasses of P. nodosus and P. illinoensis in non-treated areas were reduced by 40% and 63% respectively. This indicated that herbivory, once thought to be insignificant to aquatic macrophytes, can cause substantial reductions in biomass.
Classification
Resource Type
Format
Subject
Source University of North Texas
Keyword Biological control, Herbivory, Aquatic macrophytes
Selector Selection Committee
Date Of Record Creation 2010-05-24 13:16:20
Education Level
Date Last Modified 2010-06-05 19:06:28
Creator Nachtrieb, Julie Graham
Language English
Date Record Checked: 2010-05-24 00:00:00 (W3C-DTF)

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