Bayarjargal uav environmental_research_nov2015
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This document discusses using geographic information systems (GIS) and remote sensing to study and conserve two endangered ungulate species in Mongolia, the Asiatic wild ass or khulan and the goitered gazelle. GPS collars were used to track the movements of 20 khulans and 10 gazelles, finding that they range widely, including important habitat areas outside of protected areas. Ground surveys estimated populations of around 36,000 khulans and 28,000 gazelles in Southern Gobi. Spatial modeling identified surface water and human disturbance as most influencing species distributions, with around 25% of suitable habitat for each located within protected areas. GIS and remote sensing were useful conservation planning tools.
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This document outlines a study to estimate above-ground biomass and carbon stock in boreal forests in Mongolia using satellite data and machine learning. Boreal forests cover about 9.2% of Mongolia but have been declining in recent decades. The study aims to develop a suitable machine learning model to map forest biomass and carbon stock. Random forest was the best performing model with an R2 of 0.24 and RMSE of 33 Mg/ha. Important input features included shortwave infrared band 1, green leaf index, and radar polarization data. The predicted forest biomass ranged from 32.5-122.5 Mg/ha and carbon stock ranged from 16.5-62.5 Mg C/ha. Some referenceMore Related Content
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This study analyzed the impact of forest fires on forest cover types in Eruu county, Mongolia between 2000 and 2011 using Landsat imagery. The forest was classified into seven types including cedar, pine, larch, birch, birch-pine mixed, birch-larch mixed and cedar-larch mixed. Overall accuracy of the forest maps was 86.33% in 2000 and 93.75% in 2011. Large fires between 2007-2009 impacted over 25,000 hectares, changing forests to burnt areas and over 52,000 hectares to grasslands. Major changes included reductions in cedar-larch mixed and increases in burnt areas.Map.Minu.mn Intro
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- 1. 舒亶亞舒仍 仂仆 亟舒仍亞舒舒仆亟 亟仂仆 舒亳亞仍舒舒仆 亢亳仆勵勵亟 .舒亢舒亞舒仍 亳亶仆亠仆亟 丱丱
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- 10. 丱 丐亂弌 亊