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Life Sciences Commons

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Forest Sciences

Iowa State University

2009

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Full-Text Articles in Life Sciences

Cultural Disturbances And Local Ecological Knowledge Mediate Cattail (Typha Domingensis) Invasion In Lake Pátzcuaro, México, Steven J. Hall Apr 2009

Cultural Disturbances And Local Ecological Knowledge Mediate Cattail (Typha Domingensis) Invasion In Lake Pátzcuaro, México, Steven J. Hall

Steven J. Hall

The influence of local actors and socioeconomic constraints on biological invasions is often ignored. Wetland plant harvesters appeared to intentionally influence cattail (Typha domingensis) invasion around Lake Pátzcuaro, México, by altering their harvesting regimes, according to interviews with 44 expert respondents and botanical surveys. The oldest and most experienced harvesters reported controlling Typha initially, sometimes through organized eradication efforts, in order to protect Schoenoplectus californicus, an economically and culturally valuable wetland plant. Later, outsiders commoditized Typha by introducing new weaving designs popular with tourists, while industrial products and new livelihood activities reduced Schoenoplectus harvest. Harvesters from several communities began to …