Academic
Publications
Diversity composition and structure of tropical dry forests in Central America

Diversity composition and structure of tropical dry forests in Central America,Thomas W. Gillespie,Alfredo Grijalva,Christine N. Farris

Diversity composition and structure of tropical dry forests in Central America   (Citations: 49)
BibTex | RIS | RefWorks Download
Abstract Tropical dry forests have been reduced to less than 0.1% of their original expanse on the Pacific side of Central America and are considered by some to be the most endangered,ecosystem in the lowland tropics. Plots 1000 m, were established in seven tropical dry forests in Costa Rica and Nicaragua in order to compare,levels of species richness to other Neotropical dry forest sites and to identify environmental variables associated with species rich- ness and abundance. A total of 204 species and 1484 individuals,2.5 cm were encountered. Santa Rosa National Park was the richest site with the highest family (33), genera (69), and species (75) diversity of all sites. Species richness and forest structure were significantly different between sites. Fabaceae was the dominant tree and shrub family at most sites, but no species was repeatably dominant based on number of stems in all fragments of tropical dry forest. Central American dry forests had similar species richness when compared,to other Neotropical forests. There was no correlation between forest cover within reserves, or precipitation and plant species richness. There was a significant correlation between anthropogenic disturbance (intensity and frequency of fire, wood collection, grazing) and total species richness, tree and shrub species richness, and liana abundance. These results suggest controlling levels on anthropogenic disturbance within reserves should be a high priority for resource managers,in Central America. Further research in forest fragments which examine,individual and a combination of disturbance agents would help clarify the importance of anthropogenic disturbance on species richness and abundance.
Published in 2000.
Cumulative Annual
View Publication
The following links allow you to view full publications. These links are maintained by other sources not affiliated with Microsoft Academic Search.
    • ...of tropical forest with a bimodal annual pattern of rainfall (Holdridge et al. 1971; Gillespie et al. 2000) and with yarumo (Cecropia), lechero (Calotropis procera), cucharo (Clusia multiflora), roble (Quercus humboldtii), and bolsitas (Bursera sp.) as some of the main plant species...

    Martha L. Bohórquez Alonsoet al. Sex differences in antipredator tail-waving displays of the diurnal ye...

    • ...Unfortunately, there are still very few studies on the conservation status of the different types of tropical dry forest remnants and the influence of different levels of disturbance (Gillespie et al. 2000)...
    • ...our study area were well within the abovementioned ranges, mean basal area was lower than the results reported for other regions in Nicaragua (Castro-Marı´n et al. 2005; Gonzalez-Rivas et al. 2006) and Central America (22 m 2 ha -1 in Gillespie et al. 2000),...

    David Tarrasónet al. Conservation status of tropical dry forest remnants in Nicaragua: Do e...

    • ...However, several authors have established that within TDF vegetation there is no significant correlation between species richness and precipitation (Lott et al. 1987; Gentry 1995; Gillespie et al. 2000; Trejo and Dirzo 2002)...
    • ...Gillespie et al. (2000) reported that in several dry forests of Nicaragua and Costa Rica there was a significant correlation between anthropogenic disturbance (intensity and frequency of fire, wood collection, grazing) and total species richness, tree and shrub species richness, and liana abundance...
    • ...Gallardo-Cruz et al. 2005; Gillespie et al. 2000)...
    • ...Overall, the TDF of PO has structural values, tree species richness and Shannon Index well into the range of those reported for Mexican TDF (Lott et al. 1987; Rico-Gray et al. 1988; Trejo and Dirzo 2002; Dura ´n et al. 2006) and other Neotropical TDFs (Gentry 1995; Murphy and Lugo 1995; Gillespie et al. 2000; Gordon and Newton 2006)...
    • ...Grazing by livestock together with induced fire and wood collection are considered the most important types of anthropogenic disturbance in TDF (Murphy and Lugo 1995; Gillespie et al. 2000)...
    • ...Gillespie et al. (2000) propose that further research in forest fragments that examines individual and combinations of disturbance agents would help clarify the importance of anthropogenic disturbances on species richness and abundance...

    Guadalupe Williams-Lineraet al. Tree species diversity driven by environmental and anthropogenic facto...

    • ...forests in the area (Gillespie et al. 2000)...

    Eduardo Velázquezet al. Changes in the Herbaceous Communities on the Landslide of the Casita V...

    • ...Forest structure and species diversity have been widely studied in various regions of the tropics (e.g., Aiba and Kitayama 1999 ;A yyappan and Parthasarathy1999; Gillespie et al. 2000; Swamy et al. 2000; Huang et al. 2003 ;B rearley et al.2004)...

    Neth Topet al. Effects of population density on forest structure and species richness...

Sort by: