Essays about: "population changes"
Showing result 1 - 5 of 749 essays containing the words population changes.
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1. The forgotten sand bee. A follow up on the status of the golden sand bee Andrena marginata in municipality of Mark, a decade later
University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskapAbstract : Over a decade ago, a conservation project aimed at preserving the endangered golden sand bee (Andrena marginata) populations in the Storån valley of the municipality of Marks was initiated. The species, red-listed in Sweden as well as in many other European country, specializes in pollen from Devil's bit. READ MORE
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2. An Analysis of E-Waste Collection Across Countries
University essay from Göteborgs universitet/Institutionen för nationalekonomi med statistikAbstract : In line with technological development, electronic waste has become the world's fastest-growing waste category, increasing three times faster than the world's population. Although e-waste legislation covers about 66% of the world's population, the global recycling rate for e-waste is only 20%. READ MORE
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3. The effect of the COVID-19 lockdown on the spatial ecology of moose in an area with high recreational activity
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : In diverse landscapes, the coexistence of wildlife habitat requirements and human land use often leads to conflicts, posing challenges for sustainable species management. Recreational activities, especially in sparsely populated areas, frequently disturb wildlife behavior, necessitating a comprehensive assessment of anthropogenic impacts on habitats. READ MORE
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4. Shifting focus from yields to food supply : an evaluation of the ‘number of people fed per hectare’ indicator at farm and national level
University essay from SLU/Department of Molecular SciencesAbstract : The challenge of feeding a growing global population while reducing the pressure on climate and ecosystems has gained much attention in research over the last decades. A crucial yet often overlooked aspect in research addressing this complex challenge is the efficiency of food production in meeting nutritional needs within the constraints of global cropland resources. READ MORE
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5. The visibility of stellar transients in the Galactic Centre
University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/AstrofysikAbstract : A semi-analytical simulation was developed to evaluate the K-band magnitudes of Red Giants [0.96 - 1.02 M⊙] orbiting the supermassive black hole in the galactic centre. The model assumed star formation between 10-12 Gyrs ago and by following the IMF and applying a random age condition, a stellar population was created. READ MORE