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The important ecological focus in temas of Caribbean legumes is on the seasonally dry tropical forests (SDTFs sensu Prado & Gibbs, 1993; Pennington et al., 2000, 2004).
This could well be mostly a function of the relatively large cover of SDTFs in the Caribbean Basin and elsewhere in the neotropics (see maps in Pennington et al., 2000; Schrire et al., 2005).
(2000) as part of the disjunct biome of the Seasonally Dry Tropical Forests (SDTF), one of the largest is the semiarid Caatinga Phytogeographical Domain (CPD), located in Northeastern Brazil (Figs.
Both the arboreal caatingas and the deciduous dry forest enclaves within the CERPD have floristic links with the CPD and other SDTF of the South American continent (Amida et al., 2013; Neves et al., 2015).
This contrasts with closed canopy forests, including wet forests and seasonally dry tropical forests (SDTF), where grasses are infrequent in the understory and where natural fire is rare.
When climate is sufficiently dry in the tropics, moist forest gives way to savannas and SDTF (Lehmann et al.
Annual mean warming in all regions SDTFs are found in is likely to be greater than the global mean warming, except in Australia and Southeast Asia, where it is likely to equal the global mean (IPCC 2007).
The contribution of SDTFs to this global pool, while presently unknown, is probably substantial: for instance, a study in Mexico estimated total biomass and soil carbon reserves of 141 Mg [ha.sup.-1] from SDTFs, compared to 414 Mg [ha.sup.-1] from MTFs (Jaramillo et al.
A survey on species occurrence in SDTFs was undertaken by records of several herbaria in Brazil available at the Species Link site (Species Link, 2012).
The model was created based on a set of bioclimatic variables projected onto a current scenario and confronted with a future (pessimistic) scenario in order to generate predictions for the potential distributions of SDTFs in the year 2080.
In general, plants from SDTFs usually exhibit high photosynthetic and growth rates because of intense exposure to sunlight.
There is clearly a need for better knowledge on seed germination and seedling establishment in SDTF in general, not only as a means to understand key forest community processes, but also to produce information for conservation and restoration efforts (Khurana & Singh, 2001).
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