کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7478812 1485212 2018 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Traditional cattle vs. introduced deer management in Chaco Serrano woodlands (Argentina): Analysis of environmental sustainability at increasing densities
ترجمه فارسی عنوان
گاو سنتی در مقابل مدیریت گوزن معرفی شده در جنگل های چاکو سروانو (آرژانتین): تجزیه و تحلیل پایداری محیطی در افزایش تراکم
کلمات کلیدی
گیاهخواری، نرخ جوراب زنانه ساقه بلند، مرور پایدار، بازسازی درخت، مدیریت وحشی زاد و ولد، تنوع گیاهی،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
Our results indicate that traditional cattle management, at stocking rates of ∼10 ind km−2, was the most ecologically sustainable management since it allowed greater tree regeneration abundance, higher richness of woody species and lower browsing damage. Importantly, cattle management and deer management at low densities (10 ind km−2) showed no significant differences in species richness and abundance of seedlings, although deer caused greater browsing damage on saplings and juveniles. However, management regimes involving high deer densities (∼35 deer km2) was highly unsustainable in comparison to low (∼10 deer km−2) and medium (∼20 deer km−2) densities, with 40% probability of unsustainable browsing as opposed to less than 5% probability at low and medium densities. In addition, high deer densities caused a strong reduction in tree regeneration, with a 19-30% reduction in the abundance of seedlings and young trees when compared to low deer densities. These results showed that the effect of increasing deer densities on woody plant conservation was not linear, with high deer densities causing a disproportional deleterious effect on tree regeneration and sustainable browsing. Our results suggest that traditional management at low densities or the use of introduced ungulates (deer breeding areas) at low-medium densities (<20 deer km−2) are compatible with woody vegetation conservation. However, further research is needed on plant palatability, animal habitat use (spatial heterogeneity) and species turnover and extinction (comparison to areas of low-null historical browsing) to better estimate environmental sustainability of Neotropical ungulate-dominated woodlands.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Environmental Management - Volume 206, 15 January 2018, Pages 642-649
نویسندگان
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