期刊
AOB PLANTS
卷 5, 期 -, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/aobpla/plt008
关键词
Bio-energy; ecosystem services; habitat functions; invasive plants; management; methodology; non-native species; Phragmites
资金
- AoB PLANTS
- Geraldine R. Dodge Foundation in the USA
- Max and Victoria Dreyfus Foundation in the USA
- Hudson River Foundation in the USA
- Geoffrey C. Hughes Foundation in the USA
- Metropolitan Conservation Alliance in the USA
- New York City Environmental Fund in the USA
- New York State Department of Environmental Conservation-Hudson River Estuary Program in the USA
- Hudson River National Estuarine Research Reserve in the USA
- Westchester Community Foundation in the USA
Phragmites australis (common reed) is widespread in North America, with native and non-native haplotypes. Many ecologists and wetland managers have considered P. australis a weed with little value to the native biota or human society. I document important ecosystem services of Phragmites including support for many common and rare species of plants and animals. This paper is based on an extensive review of the ecology and natural history literature, discussions with field workers, and observations in 13 US states and one Canadian province during the past 40 years. Phragmites sequesters nutrients, heavy metals and carbon, builds and stabilizes soils, and creates self-maintaining vegetation in urban and industrial areas where many plants do not thrive. These non-habitat ecosystem services are proportional to biomass and productivity. Phragmites was widely used by Native Americans for many purposes; the most important current direct use is for the treatment of wastes. Most of the knowledge of non-habitat ecosystem services is based on studies of P. australis haplotype M (an Old World haplotype). Phragmites also has habitat functions for many organisms. These functions depend on the characteristics of the landscape, habitat, Phragmites stand, species using Phragmites and life history element. The functions that Phragmites provides for many species are optimal at lower levels of Phragmites biomass and extent of stands. Old World Phragmites, contrary to many published statements, as well as North American native Phragmites, provide valuable ecosystem services including products for human use and habitat functions for other organisms. Phragmites stands may need management (e.g. thinning, fragmentation, containment or removal) to create or maintain suitable habitat for desired species of animals and plants.
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