Sandhill

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Fire maintained sandhill community at Austin Cary Forest, near Gainesville, FL Sandhill at Austin Cary Forest.jpg
Fire maintained sandhill community at Austin Cary Forest, near Gainesville, FL

A sandhill is a type of ecological community or xeric wildfire-maintained ecosystem. It is not the same as a sand dune. It features very short fire return intervals, one to five years. Without fire, sandhills undergo ecological succession and become more oak dominated.

Contents

Entisols are the typical sandhill soil, deep well-drained and nutrient poor. In Florida, sandhills receive 130 cm (51 in) of rainfall per year, just like the more hydric ecosystems surrounding them. Sandhills are xeric because they have poor water holding capacity.

Dominant vegetation includes longleaf pine (Pinus palustris), American turkey oak ( Quercus laevis ), and wiregrass ( Aristida stricta ). [1] A number of rare animals are typical of this habitat including the gopher tortoise ( Gopherus polyphemus ), [2] red-cockaded woodpecker (Picoides borealis), Sherman's fox squirrel ( Sciurus niger shermani ), [2] and striped newt ( Notophthalmus perstriatus ). Invasive species that are a problem on sandhills include Cogongrass ( Imperata cylindrica ), [3] camphor laurels ( Cinnamomum camphora ), and Natal grass (Melinis repens).

See also

Related Research Articles

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<span class="mw-page-title-main">Flatwoods</span> Ecological community in the southeastern coastal plain of North America

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<span class="mw-page-title-main">Pre-Columbian woodlands of North America</span> Mixed woodland-grassland ecosystem

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<span class="mw-page-title-main">Longleaf pine ecosystem</span> Temperate plant ecosystem typical of region of north America

The longleaf pine ecosystem is a temperate coniferous forest ecosystem found within the Southern United States. Spanning pine savannas, sandhills and montane forests, it includes many rare plant and animal species, and is one of the most biodiverse in North America. Once one of the largest ecosystems in North America, from Virginia south to Florida and west to Texas, it now occupies less than a quarter of the original range. Degradation of the ecosystem is partially due to excessive timber harvesting, urbanization, and fire exclusion. Although the ecosystem is heavily fragmented at present, it still carries a great diversity of plant and animal species, many of which are endemic. A range of techniques, including planting longleaf pine seedlings, introducing prescribed burning regimens, managing native ground cover, and controlling invasive species within the ecosystem, are used in attempting to preserve this threatened ecosystem.

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References

  1. Canfield, Susan Littell; Tanner, George W. (1997). "Observations of Pineywoods Dropseed (sporobolus Junceus) Phenological Development Following Fire in a Sandhill Community". Florida Scientist. 60 (2): 69–72. ISSN   0098-4590. JSTOR   24320744.
  2. 1 2 Herring, Brenda J.; Judd, Walter S. (1995). "A Floristic Study of Ichetucknee Springs State Park, Suwannee and Columbia Counties, Florida". Castanea. 60 (4): 318–369. ISSN   0008-7475. JSTOR   4033806.
  3. Jose, S.; Cox, J.; Miller, D.L.; Shilling, D.G.; Merritt, S. (2002-01-01). "Alien Plant Invasions: The Story of Cogongrass in Southeastern Forests". Journal of Forestry. 100 (1). Oxford Academic: 41–44. doi:10.1093/jof/100.1.41. ISSN   0022-1201 . Retrieved 2024-02-27.