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Please do not disturb the turtle eggs on this beach

Sustainable Wildlife Management (SWM) Programme










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    Article
    The influence of over-mature, degraded Nothofagus forests with strong anthropic disturbance on the quality of an andisol and Its gradual recovery with silvopasture in southwestern South America
    XV World Forestry Congress, 2-6 May 2022
    2022
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    The increasing demand for timber and non-timber products from native forests in Chile and the cattle grazing has augmented the rate of degradation of these ecosystems. This process results in the need to know which of the dynamic variables are involved in its regulation. Soil quality indicators like soil organic carbon (SOC), soil microbial respiration (SMR), microbial biomass carbon (MBC), potential net N mineralization (N-min), and nitrification (N-NO), soil aggregates, and light fraction (LF), were evaluated at two different depths of the soil in Nothofagus obliqua (deciduous) and mixed N. dombeyi - N. obliqua (evergreen-deciduous) forests, where a 30- ha silvopastoral trial was established, after this evaluation, in early 2016. The SOC, SMR, MBC, N-min and N-NO were significantly higher in the N. obliqua forest than the mixed forest, 8%, 17%, 17%, 40%, 20%, respectively (p<0.05). The dry weight in soil fractions did not present differences between forest types. C and N contents in the LF (labile, un-decomposed organic matter of plant origin) were higher in the deciduous forest, 9% and 20%, respectively (p<0.05). Our results suggest that soil quality was favored by the quality of organic matter in the site dominated by deciduous species, which translates into more favorable conditions for the activity of microorganisms, nitrogen dynamic, and C and N content in the light faction. The intrinsic characteristics of the plant residues associated with higher rates of decomposition, can stimulate the activity of the biota and especially the soil microorganisms, which would lead to higher values of the different indicators evaluated. This novel silvopastoral system will likely help restore the most degraded sites through improvement of the soil quality. This kind of information allows obtaining knowledge of the forest areas and their sustainability, mainly for the planning of long-term, durable silvopastoral practices. Keywords: Forest degradation, Nothofagus obliqua, N. dombeyi, silvopastoral systems, Temperate Forest, Volcanic soil ID:3484562
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    Poster, banner
    Earthworm diversity and soil-related processes in disturbed Caspian forest
    Scientific poster for Global Symposium on Soil Biodiversity
    2021
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    Scientific poster for Global Symposium on Soil Biodiversity
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    Meeting
    Near East and North Africa Forests and Climate Change: Climate Induced Forest Disturbances, Building Resilience and Boosting Implementation of Countries Nationally Determined Contributions (N)DCs FO:NEFRC/2021/3
    25th Session for the Near East Forestry and Range Commission
    2021
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    The Near East and North Africa (NENA) region is dry, hot and scarce in water and arable land resources, with arid, semi-arid to desert conditions and limited tree cover. Yet the 74.7 million hectares of forest and other wooded land, together with rangelands, produce a range of goods and ecosystem services that are essential to rural livelihoods. The region is extremely vulnerable to climate change through heat and drought, and national adaptation priorities focus on crops, forests and water resources. This document describes key challenges related to forests and climate change in the region, and how FAO is working with Members to address them. These include: • Forest and wildland fires, and FAO support for the NENA Regional Forest Wildland Fire Network (NENFIRE) • Forest pests and diseases, and support for the Near East Network on Forest Health and Invasive Species (NENFHIS) • Capacity needs for tracking climate change mitigation and adaptation progress, and support through the FAO/GEF project “Building global capacity to increase transparency in the forest sector” Tackling these interlinked challenges related to climate change is a prerequisite for strengthening the resilience of the forest ecosystems and the communities that depend on them.

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