Viability of Aquatic Plant Fragments following Desiccation

被引：39

作者：

Barnes, Matthew A. ^{[1
]}

Jerde, Christopher L. ^{[1
]}

Keller, Doug ^{[2
]}

Chadderton, W. Lindsay ^{[3
]}

Howeth, Jennifer G. ^{[1
]}

Lodge, David M. ^{[1
]}

机构：

[1] Univ Notre Dame, Dept Biol Sci, Notre Dame, IN 46556 USA

[2] Indiana Dept Nat Resources, Indianapolis, IN 46204 USA

[3] Nature Conservancy, Notre Dame, IN 46556 USA

来源：

INVASIVE PLANT SCIENCE AND MANAGEMENT | 2013年 / 6卷 / 02期

基金：

美国海洋和大气管理局;

关键词：

Dispersal; invasion; macrophyte; management; prediction; EURASIAN WATERMILFOIL; DISPERSAL; TRANSPORT;

D O I：

10.1614/IPSM-D-12-00060.1

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Desiccation following prolonged air exposure challenges survival of aquatic plants during droughts, water drawdowns, and overland dispersal. To improve predictions of plant response to air exposure, we observed the viability of vegetative fragments of 10 aquatic plant species (Cabomba caroliniana, Ceratophyllum demersum, Elodea canadensis, Egeria densa, Myriophyllum aquaticum, Myriophyllum heterophyllum, Myriophyllum spicatum, Potamogeton crisp us, Potamogeton richardsonii, and Hydrilla verticillata) following desiccation. We recorded mass loss, desiccation rate, and plant fragment survival across a range of air exposures. Mass loss accurately predicted viability of aquatic plant fragments upon reintroduction to water. However, similar periods of air exposure differentially affected viability between species. Understanding viability following desiccation can contribute to predicting dispersal, improving eradication protocols, and disposing of aquatic plants following removal from invaded lakes or contaminated equipment.

引用

页码：320 / 325

页数：6

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