UPAYA PENGELOLAAN PERAIRAN SUNGAI MUSI, SUMATERA UNTUK KEBERLANJUTAN PEMANFAATAN SUMBER DAYA IKAN

Ngurah Nyoman Wiadnyana, Husnah Husnah

Abstract


Pengelolaan sumber daya perairan Sungai Musi di Sumatera bertujuan untuk menjaga keberlanjutan pemanfaatan dan kelestarian sumber daya perairan di masa datang. Untuk itu diperlukan gambaran status terkini sumber daya perairan yang merupakan salah satu komponen yang diperlukan dalam pengelolaan. Perubahan pemanfaatan lahan selama periode 30 tahun di Daerah Aliran Sungai (DAS) Musi tampak berupa perubahan fisik (modifikasi lingkungan) dan penambahan bahan-bahan antropogenik. Modifikasi lingkungan yang terjadi seperti pembendungan sungai untuk pembangkit listrik tenaga air dan irigasi pada bagian hulu Sungai Musi, dan pembelokan masa air di anak Sungai Musi berdampak terhadap berkurangnya luas rawa banjiran, sedimentasi, penurunan debit air dan tinggi muka air, serta terhalangnya migrasi beberapa jenis ikan. Penambahan bahan-bahan antropogenik yang berasal dari berbagai kegiatan
industri di bagian tengah dan hilir Sungai Musi, mempengaruhi sumber daya perairan dan ikan, serta hasil tangkapan nelayan. Berdasarkan indikator biota dasar makrozoobenthos dan ikan, Sungai Musi bagian hilir dari desa kelurahan Gandus sampai dengan Muara Sungai Komering tergolong tercemar berat oleh
bahan organik. Pengelolaan sumber daya di perairan Sungai Musi perlu dilakukan untuk menjaga kelestarian dan keberlanjutan pemanfaatan sumber daya ikan perairan Sungai Musi di masa yang akan datang. Keragaman tipe ekosistem perairan, sifat pemanfatan yang multi guna dan multi sektor serta keberadaan
wilayah Sungai Musi yang lintas provinsi merupakan komponen penting yang perlu dipertimbangkan dalam pengelolaan sumber daya perairan Sungai Musi. Pengelolaan sumber daya perairan di Sungai Musi hendaknya dilakukan secara terpadu dan holistik dengan mempertimbangkan beberapa aspek seperti wilayah/ ekologi, sektor, bidang ilmu dan stakeholder.

Water resource management of Musi River in Sumatra is aimed to assure the sustainable use and the sustainability of water resources in the future. Therefore it is needed the information of the current state of water resources as one of components required in management. The change of territorial use for a period of 30 years in Musi River Bank is appreared as form of a physical change (environment modification) and an increase of antrophogenic matters. The environment modification was such as a river barrier man-made used for water electricity power and irrigation at upper part of Musi River, and the turning water mass in Musi River, gives an impact to the decreasing of floodplain area, sedimentation, decrease of water debit and water level as well as the pertubation of some fishes migration. The augmentation of antrophogenic matters comming from industrial activities in the central and down parts of Musi Rivers gives influence on water resources, fish, and the catch yield of fishermen. Based on macrozoobenthos bioindicators and fish, a down part of Musi River from Gandus Village to mouth of Komering River are classified as happy polluted areas by organic matter. The resources management of Musi River waters must be needed to be done for maintain the sustainability and the sustainable use of fish resources in Musi River in the future. The diversity of waters ecosystem, multi uses, and multi sectors as well as Musi River areas located across the several provinces, constitute important components to be needed to look together in managing Musi River water resources. The water resources management of Musi River should be done by integrated way and holistic with regard of some aspects such as: territorial/ ecology, sectors, expertises, and stakeholders.


Keywords


kelestarian sumber daya perairan; pemantaatan berkelanjutan; upaya pengelolaan; Sungai Musi; Sumatera; sustainability of water resources; sustanable use; management effort; Musi River; Sumatra

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DOI: http://dx.doi.org/10.15578/jkpi.3.1.2011.13-26


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