Deforestation and fragmentation trends of seasonal dry tropical forest in Ecuador: impact on conservation
نویسندگان
چکیده
Abstract Background Fragmentation and deforestation are one of the greatest threats to forests, these processes even more concern in tropics, where seasonal dry forest is possibly most threatened ecosystems with least remaining surface area. Methods The fragmentation patterns that had occurred Ecuadorian forests between 1990 2018 were verified, while geographic information systems land cover shapes provided by Ministry Environment employed classify evaluate three types forests: deciduous, semi-deciduous, transition. study area was tessellated into 10 km 2 hexagons, which six parameters measured: number patches, mean patch size, median total edge, edge density reticular index (RFI). RFI also measured both outside inside protected natural areas (unprotected, national forest). Moreover, best worst conservation status, connectivity risk disappearance values identified means a Getis-Ord Gi* statistical analysis. Results affected 27.04% original still 1990, an annual rate − 1.12% 2018. has increased 11.61% as result fact small fragments have tended disappear, large been fragmented smaller ones. semi-deciduous highest levels categories protection significantly different fragmentation, lower greater forests. Conclusions fragmenting, deforesting disappearing some areas. An is, therefore, necessary owing not all measures effective.
منابع مشابه
The role of domestic timber markets in tropical deforestation and forest degradation in Ecuador: Implications for conservation planning and policy
Studies about the impact of the timber trade on tropical forests have often oversimplified process complexity and underestimated regional variability. This study shows that forest degradation and clearing in Northwest Ecuador between 1983 and 1992 was closely linked to commercial logging. A key finding is that domestic demand is critical for shaping timber extraction and, hence, forest degradat...
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Deforestation and fragmentation are major components of global change; both are contributing to the rapid loss of tropical forest area with important implications for ecosystem functioning and biodiversity conservation. The forests of South Ecuador are a biological 'hotspot' due to their high diversity and endemism levels. We examined the deforestation and fragmentation patterns in this area of...
متن کاملCorrection: Deforestation and Forest Fragmentation in South Ecuador since the 1970s - Losing a Hotspot of Biodiversity
A heading is missing from the left-most column in Table 4. The first column should be labeled Natural vegetation types. Please see the corrected Table 4 here. open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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ژورنال
عنوان ژورنال: Forest Ecosystems
سال: 2021
ISSN: ['2197-5620', '2095-6355']
DOI: https://doi.org/10.1186/s40663-021-00329-5