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Journal : EnviroScienteae

KEANEKARAGAMAN KEPITING BIOLA DI KAWASAN MANGROVE KABUPATEN PURWOREJO JAWA TENGAH Slamet Mardiyanto Rahayu; Wiryanto Wiryanto; Sunarto Sunarto
EnviroScienteae Vol 13, No 1 (2017): EnviroScienteae Volume 13 Nomor 1, April 2017
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v13i1.3517

Abstract

Mangrove is a unique ecosystem and has an important function ecologically, socio-economically, and education. The area of mangroves in Purworejo Regency is decreasing due to logging, settlement, ponds, and agriculture. Reduced mangrove stands will affect the existence of various fauna associated with it. Therefore it is done in August-September 2016 to know the diversity of the fiddler crabs in the mangrove area Purworejo District, Central Java. There are three stations, namely dense mangroves (Gedangan Village), medium mangroves (Jatikontal Village), and rare mangroves (Ngentak Village). From the research, there were 7 types of fiddler crab, Uca annulipes, U. crassipes, U. paradussumieri, U. rosea, U. tetragonon, U. vocans, and U. vomeris. The index of fiddler crab diversity in the mangrove area of Purworejo Regency, Central Java at station 1 (1.67) and station 2 (1.90) is moderate. The fiddler crab biodiversity index at station 3 (0.64) is low. Environmental conditions throughout the station are relatively good for mangrove life and fiddler crabs, ie temperature 26-30oC, pH 6-8, dissolved oxygen 3,5-6,6 mg / L, salinity 3-9 ppt, and sandy mud substrate. Vegetations of mangrove at station I are Rhizophora mucronata, Nypa fruticans, Sonneratia alba, and Hibiscus tiliaceus. Mangrove vegetation at station II is Sonneratia caseolaris, Rhizophora stylosa, N. fruticans, H. tiliaceus, and Morinda citrifolia. Vegetations of mangrove at station III are S. alba, S. caseolaris, N. fruticans, and R. mucronata. The density of mangrove vegetation is related to species abundance (density) of fiddler crabs.
KEANEKARAGAMAN MANGROVE DI DESA GEDANGAN, KECAMATAN PURWODADI, KABUPATEN PURWOREJO, JAWA TENGAH Slamet Mardiyanto Rahayu; Syuhriatin Syuhriatin; Wiryanto Wiryanto
EnviroScienteae Vol 14, No 1 (2018): EnviroScienteae Volume 14 Nomor 1, April 2018
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (458.508 KB) | DOI: 10.20527/es.v14i1.4895

Abstract

This research aims to know the diversity of mangrove in Gedangan Village, Purwodadi Subdistrict, Purworejo Regency, Central Java. This research conducted on June-September 2016 with purposive sampling methods with three station. Based on the results of the research are nine mangrove species found are rhizophora mucronata, sonneratia alba, nypa fruticans, hibiscus tiliaceus, ipomoea pescaprae, acanthus ilicifolius, gymnanthera paludosa, wedelia biflora, and scirpus sp. Diversity of tree mangrove are low (H’ station 2=0,95 and H’ station 3= 0,15). Diversity of sapling mangrove are low with H’ in station 1, 2, and 3 are 0,2; 0,68; dan 0,08. And the diversity of mangrove seedling and lower plants are medium with H’ in station 1, 2, and 3 are 1,17; 1,56; and 1,48. Environment condition in all station is relatively good to support the life of mangrove plant. That is temperature  28-30 0C; pH 7-8; DO 4,0-6,5 mg/l; salinity 6-9 ppt; and sandy mud substrate.