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Journal : Jurnal Natur Indonesia

New Records of Seagrass Flora in Air Bangis West Sumatera Kamal, Eni; Bujang, Japar Sidik; Zakaria, Muta Hara
Jurnal Natur Indonesia Vol 13, No 1 (2010)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (82.377 KB) | DOI: 10.31258/jnat.13.1.77-81

Abstract

Seagrasses in the Air Bangis Archipelago, west coast of Sumatra were found growing in sandy muddy substratesof the shallow coastal waters at depth of 0.3-2.5 m, dominated by degraded coral reefs around the off-shoreislands. Two species; Enhalus acoroides (L.f) Royle and Thalassia hemprichii (Ehrenb) Aschers were observed atPulau Unggas, Pulau Pasir Panjang and Teluk Tapang. Halodule uninervis (Forssk) Aschers was observed in twolocations; Pasir Panjang and Teluk Tapang. The occurrence of this species is unknown previously and therefore itis a new flora record for Sumatra. With this new record, Sumatra has six species of seagrasses, contributing tohalf of total number of seagrasses occurring in Indonesia. According to leaf width measurements, two morphologicalvariants (narrow and wide leaved) can be distinguished for Halodule uninervis. In addition, descriptions of thespecies and their habitat characteristic are provided.
Kajian Kondisi Terumbu Karang dan Strategi Pengelolaannya di Pulau Panjang, Air Bangis, Kabupaten Pasaman Barat Oktarina, Angreini; Kamal, Eni; Suparno, Suparno
Jurnal Natur Indonesia Vol 16, No 1 (2014)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2639.219 KB) | DOI: 10.31258/jnat.16.1.23-31

Abstract

Coral reef ecosystems are essential for the survival of marine life, but the presence of coral reef are declined and decayed.Methods used in this study was a survey method. To retrieve the condition of coral cover using the line intercept transectwhile to determine management strategies using SWOT analysis. The average percentage of coral cover in 8 point researchstations at 50.10% are still in the good condition, which is in the north 3 m depth 53.51%, north 7 m depth 68.14%, east 3 mdepth 93.29%, east 7 m depth 15.93%, south 3 m depth 75.17%, south 7 m depth 20.53%, west 3 m depth 41.50%, and west7 m depth 32.79%. The strategies for coral reef ecosystem management, among others: 1) community-based management, 2)forming Kelompok Masyarakat Pengawas (Pokmaswas) institutions, 3) establish in Panjang Island as a marine conservationareas, 4) Ko-Management-based, 5) effort to improve the economy in order to support the increased knowledge of theimportance of conservation and management of coral reef ecosystem.
Fenologi Mangrove (Rhizophora apiculata, R. mucronata dan R.stylosa) di Pulau Unggas, Air Bangis Pasaman Barat, Sumatera Barat Kamal, Eni
Jurnal Natur Indonesia Vol 14, No 1 (2011)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (55.741 KB) | DOI: 10.31258/jnat.14.1.90-94

Abstract

Phenology of tropical forest plant is a population factor and does not include community factor, this is caused by a genetic determinationand also the influence of the environment. Phenology of plants in mangrove correlated with the time of flowering, fruiting, and productionof fruits or propagules. Phenology research in mangrove plants in the Unggas Island, West Pasaman, done with ‘tagging’ technique method.Signs made of plastic and are numbered. Data collection included from the formation of flower blooming, up to the formation of fruit orpropagules ripe. Phase of the development is categorized to two categories: (a) flower, and (b) fruit. The analysis method is the analysis ofvariance (ANOVA, p<0.01) and post-hoc test, Duncans Multiple Range Test (DMRT, p<0.01) to obtain comparison and differencesbetween the components of flower, flower fall, fruit, and fruit maturity.