The Influence of Acacia Mearnsii Invasion on Soil Properties Год выпуска: 2011Автор: Benjamin van der WaalИздательство: LAP Lambert Academic PublishingСтраниц: 108ISBN: 9783843325547Описание The invasion of Acacia mearnsii in the Kouga catchment, Eastern Cape, South Africa, has various negative impacts on the ecosystem. The native shrubby fynbos vegetation has adapted to the acidic nutrient poor soils and Mediterranean climate of the Kouga Mountains. Fynbos, however, is currently being out competed by the much taller Acacia mearnsii trees, due to their competitive nature and ability to fix nitrogen, thereby enriching the soil. The invaded sections of the valley bottoms and lower hill slopes are characterised by an almost complete monoculture of Acacia mearnsii, with very few fynbos species still present. The work looks at the influence of the invasion on soil properties, vegetation structure and soil erosion. It further explore how these changes change over time since clearing.
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Мария (Москва) Ирина, здравствуйте! Огромное вам спасибо!! Защитила вчера курсовую. Преподаватель настолько была довольна раскрытой темой и оформлением (особенно сносками), что даже не стала меня слишком расспрашивать. Было пару вопросов общего характера и только. Надеюсь на вашу помощь и в дальнейшем.
