SUKSESI EKOSISTEM MANGROVE DI TANAH TIMBUL LAGUNA SEGARA ANAKAN CILACAP DENGAN ANALISIS SPASIAL SECARA MULTI-TEMPORAL
| Main Authors: | , HUDIYA RESA, , Ni Putu Diana Mahayani, S.Hut, M.For |
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| Format: | Thesis NonPeerReviewed |
| Terbitan: |
[Yogyakarta] : Universitas Gadjah Mada
, 2014
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| Subjects: | |
| Online Access: |
https://repository.ugm.ac.id/126977/ http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=67217 |
Daftar Isi:
- The development of mangrove ecosystem in Laguna Segara Anakan is dynamic due to its high rate of sedimentation, which has been creating a new land on the lagoon. Sedimentation supplies mud substrates and supports the development of mangrove succession. This study aimed to identify the rate of land accretion development and succession of mangrove vegetation. The results is useful for prioritizing management between reducing the development of land accretion and managing the mangrove ecosystem which is significant for the sustainability of Laguna Segara Anakan. The succession of mangrove was studied by integrating remote sensing technique, Geographic Information Systems (GIS) approach and field survey. The development of its land accretion and vegetation cover on the mangrove forests, in terms of area and distribution, were observed through identification, interpretation and supervised classification technique of the satellite data. Field surveys were conducted to test the correctness of the interpretation of the results and to obtain the data of mangrove succession development. The study was classified into three block based on its succession stage i.e., the early stage of mangrove block, which is in the areas of new land, the middle stage of mangrove block developed during earlier period of land accretion and the mangrove control block of natural mangrove with minimum disturbance. Results of this study showed that from 1996 until 2013, the rate of the land accretion in Laguna Segara Anakan were 21.1545 ha/year. Until September 2013, total of the land accretion in Laguna Segara Anakan was 1041,878 ha, as the accumulation of sedimentation. Mangrove succession on the land accretion of Laguna Segara Anakan was observed from the development of vegetation cover dominated by the seedling of pioneer species (54,92 %) of Avicennia marina and Sonneratia caseolaris and shrubs (45,07 %) of Acanthus ebracteatus and Derris trifoliata which grow on the substrate with a range of organic matter content of 1- 1.5 %. In conclusion, the stage of mangrove succession on the land accretion of Laguna Segara Anakan was identified as early succession occupied by pioneer mangrove species.