The Initial Effects of Community Variables on Sand Prairie Restorations: Species Establishment and Community Responses
作者： Robert C. Roos , Todd A. Aschenbach
DOI:
关键词: Ecological succession 、 Ecology 、 Species richness 、 Growing season 、 Floristics 、 Biology 、 Prairie restoration 、 Forb 、 Plant community 、 Biomass (ecology)
摘要: THE INITIAL EFFECTS OF COMMUNITY VARIABLES ON SAND PRAIRIE RESTORATION: SPECIES ESTABLISHMENT AND RESPONSES By Robert Christopher Roos We established a sand prairie restoration experiment in northern Lower Michigan’s pine-oak barrens to analyze the effect of different community variables (vegetative cover, species richness, biomass, diversity, and floristic quality) when comparing: (1) how our efforts (seeded treatments) compare natural succession (control plots), (2) seeding treatments affect these variables, specifically evaluating (2a) grass densities; (2b) forb guilds (early flowering, late legumes) during initial two growing seasons establishment. In general, comparison between seeded non-seeded control indicates that may be more successful native than would have resulted from alone. Restoration attempts displayed significant decrease invasive, resident richness increased diversity compared succession. Treatments included high concentration and/or an early season component had greatest overall impact on plant development. These exhibited significantly higher quality
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