2018
DOI: 10.31227/osf.io/9v8kg
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Fungsi Strategis Danau Poso, Gangguan Keseimbangan Ekosistem, dan Upaya Penanggulangannya

Abstract: ABSTRAKDanau Poso memiliki beberapa fungsi strategis terhadap kehidupan masyarakat yaitu menciptakan iklim mikro, sebagai sumber air yang dapat dimanfaatkan secara langsung oleh masyarakat, lokasi pengembangan perikanan darat, tempat berlangsungnya siklus hidup beberapa biota endemik yang penting, sarana transportasi perairan darat, sebagai penghasil energi listrik, sarana rekreasi dan obyek pariwisata. Beberapa tahun terakhir, Danau Poso mengalami gangguan keseimbangan ekosistem berupa kerusakan yang terjadi … Show more

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“…Habitat conservation and rehabilitation: Like other ancient lakes, Poso Lake was until quite recently classified as oligotrophic (Giesen, 1994). Various human activities around the lake and throughout the watershed have increased both nutrient levels and sedimentation rates in the lake (Nursangaji et al, 2014;Nontji, 2016;Mamondol, 2018). Increased nutrients are thought to arise from urbanisation around the Lake as well as the increased use of fertiliser on arable and plantation crops which have increasingly replaced the natural forest vegetation and waste from cage culture of introduced fishes.…”
Section: Discussionmentioning
confidence: 99%
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“…Habitat conservation and rehabilitation: Like other ancient lakes, Poso Lake was until quite recently classified as oligotrophic (Giesen, 1994). Various human activities around the lake and throughout the watershed have increased both nutrient levels and sedimentation rates in the lake (Nursangaji et al, 2014;Nontji, 2016;Mamondol, 2018). Increased nutrients are thought to arise from urbanisation around the Lake as well as the increased use of fertiliser on arable and plantation crops which have increasingly replaced the natural forest vegetation and waste from cage culture of introduced fishes.…”
Section: Discussionmentioning
confidence: 99%
“…Increased nutrients are thought to arise from urbanisation around the Lake as well as the increased use of fertiliser on arable and plantation crops which have increasingly replaced the natural forest vegetation and waste from cage culture of introduced fishes. The loss of around 50-60 m in maximum depth over four decades (Lukman & Ridwansyah, 2009) is most likely related to increasing rates of erosion in the Poso Lake watershed (Lukman & Ridwansyah, 2009;Nursangaji et al, 2014;Mamondol, 2018). Erosion rates of 15-60 tonnes/ha/year (Table 7) Improved understanding to inform in-situ management Captive population as genetic bank and potential source of fish for eventual restocking Potential as additional «model organism» have been reported in the watershed around Poso Lake, with the highest rates in areas with predominantly steep slopes and high rates of deforestation (Mamondol, 2018).…”
Section: Discussionmentioning
confidence: 99%
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