Regional deforestation drives the impact of forest cover and matrix quality on primate species richness
Por:
Galan-Acedo, Carmen, Spaan, Denise, Bicca-Marques, Julio Cesar, de Azevedo, Renata Bocorny, Villalobos, Fabricio, Rosete-Verges, Fernando
Publicada:
1 nov 2021
Resumen:
Land-use change transforms natural ecosystems, threatening species
persistence worldwide. There is increasing evidence that forest loss
negatively affects forest-dependent species and matrix quality can favor
species main-tenance, whereas forest fragmentation has mainly null or
positive effects on species. However, the effects of these landscape
attributes may depend on the level of regional deforestation. Here, we
assess the effects of forest cover, matrix quality, and forest
fragmentation (forest patch density) on primate species richness in 92
landscapes in Brazil. We grouped landscapes by their regional
deforestation level into low, intermediate, high, and severe
deforestation. The effects of landscape attributes varied depending on
the level of regional deforestation. Forest loss decreased the
proportion of primate species in the four regional deforestation levels,
but this association was more important in the low, intermediate and
high regional deforestation levels. Matrix quality was positively
related to the proportion of primate species in three regional
deforestation levels and this association was more important in the high
regional deforestation level. Yet, matrix quality decreased the
proportion of primate species in the severe regional deforestation
level. Forest fragmentation had no clear effects across all
defores-tation levels. Therefore, different conservation strategies
should be prioritized under distinct scenarios. Pre -venting forest loss
is needed in all regions. Increasing matrix quality has positive effects
on species richness, especially in highly deforested regions (30-15%
remaining forest cover). Finally, as fragmentation had no clear effects
on the proportion of primate species, landscape composition should be
prioritized in conservation planning over landscape configuration.
Filiaciones:
Univ Nacl Autonoma Mexico, Escuela Nacl Estudios Super, Antigua Carretera Patzcuaro 8701, Morelia 58190, Michoacan, Mexico
Univ Veracruzana, Inst Neuroetol, Avenida Dr Luis Castelazo S N, Xalapa 91190, Veracruz, Mexico
Conmonomaya A C, Chemax 97770, Yucatan, Mexico
Pontificia Univ Catol Rio Grande, Lab Primatol, Escola Ciencias Saude e Vida, PUCRS, Av Ipiranga 6681 Pd 11, BR-90619900 Porto Alegre, RS, Brazil
Inst Chico Mendes Conservacao Biodiversidade, Ctr Nacl Pesquisa Conservacao Primatas Brasile, Floresta Nacl Restinga Cabedelo Rodovia, BR-230 Km 10, BR-58108012 Cabedelo, PB, Brazil
Inst Ecol A C, Red Biol Evolutiva, Carretera antigua Coatepec 351, Xalapa 91070, Veracruz, Mexico
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