Download e-book for iPad: Fire in North American Tallgrass Prairies by Scott L. Collins, Linda L. Wallace

By Scott L. Collins, Linda L. Wallace

ISBN-10: 080612315X

ISBN-13: 9780806123158

In line with papers offered at a 1987 symposium, "Fire in North American Grasslands," cosponsored by way of the Ecological Society of the USA and the Botanical Society of the USA, this booklet represents a major contribution to key unanswered questions in regards to the function of fireplace in grassland ecosystems: How frequently did fires happen long ago? have been they basically ordinary or attributable to people? At what time of yr did grasslands often burn? How may still fireplace be used as a administration software? What constitutes a formal prescribed burning regime either with and with no grazing?

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Extra info for Fire in North American Tallgrass Prairies

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Small mammals alter their activity patterns after a grassland is burned. Thus, fire does constitute a disturbance according to this definition. The important role of natural disturbance has been described in many communities (see reviews by Sousa [1984] and Pickett and White [1985]). As an example, storms, waves, predation, and physical abrasion disrupt plant and animal assemblages in the rocky intertidal zone. These disturbances create patches which are subsequently colonized by early succes- Page 5 sional species.

1 Effect of fire at different times of the year on number of flowering culms of big bluestem, Indian grass, and Kentucky bluegrass. 2 Tiller production by big bluestem over 2 years following fire at different times of the year. 3 Tiller production by Indian grass over 2 years following fire at different times of the year. 4 Tiller production by Kentucky bluegrass over 2 years following fire at different times of the year. 1 Relative density of all small mammals in burned and unburned areas on Konza Prairie.

Growing points beneath the soil surface permit regrowth after intensive grazing pressure and protect growing points during dormant seasons, when aboveground palatable tissues are removed (Tainton and Mentis 1984) (Fig. 1). Golley and Golley (1972) indicated that grasses produce more biomass than can be decomposed; this excess herbage production was probably a response to grazing. They also noted that productivity of grassland systems declines if this excess biomass is not removed by grazing or periodic fires.

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Fire in North American Tallgrass Prairies by Scott L. Collins, Linda L. Wallace


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