Spatial and Temporal Abundance of the reef gastropod Tectus niloticus (Gastropoda: Tegulidae) in Marine Protected Areas in Palawan, Philippines: Prospects for Conservation

Dolorosa, Roger G.; Grant, Alastair; Gill, Jennifer A.

doi:10.5829/idosi.ijee.2016.07.02.16

Cited by 2 publications

(2 citation statements)

References 20 publications

(19 reference statements)

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“…giant clams) may also indicate the reef's health, level of exploitation, and environmental deterioration, and also affect the abundance of reef fish populations (Wildsmith et al 2011;Neo et al 2015). Benthic macroinvertebrates can occur in significant numbers in well-protected areas where their exploitation is prohibited, particularly the threatened species (Andrefouet et al 2005;Conales et al 2015;Dolorosa et al 2016).…”

Section: Introductionmentioning

confidence: 99%

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Economically Important Benthic Macroinvertebrates in the Reefs of West Sulu Sea, Palawan, Philippines

Balisco¹,

Gonzales²,

Dolorosa³

2022

Philipp J Sci

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Benthic macroinvertebrates are essential components of the marine ecosystem and a source of food and livelihood in many coastal communities. However, a lack of knowledge about their status has resulted in their overexploitation in many areas where they are openly harvested. In this paper, we assessed the species composition, population density, uses, and conservation status of economically important benthic macroinvertebrates in the coral reefs of the West Sulu Sea, Palawan, Philippines. A total of 100 transects from six sites (3–10-m depth) covering a reef area of 25,000 m2 were assessed using scuba diving. There were 15 species belonging to 11 families found in the surveyed sites, with the Crocus giant clam Tridacna crocea Lamarck 1819 encountered in all sites. The mean population density of each species ranged between 0.8–306.4 individuals ha–1. Based on the IUCN Red List, most of the species encountered have “Least Concern” and “Not Evaluated status,” whereas two species are listed as “Lower Risk/ Conservation Dependent.” Mostly, these organisms are harvested as a source of food, souvenirs, decorations, and jewelry. The absence of some high-value and threatened species may indicate over-harvesting of these species. The results of this study can be used as a basis for formulating a long-term management plan for these benthic macroinvertebrates and their coastal habitats.

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Section: Introductionmentioning

confidence: 99%

“…giant clams, top shells, sea urchins, etc.) has already declined in many parts of the country, and efforts to enhance their population in depleted reefs have already been made in the past (Juinio-Meñez 2004;Gonzales 2005;Gonzales et al 2006;Gomez and Mingoa-Licuanan 2006;Cabaitan et al 2008;Dolorosa et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Economically Important Benthic Macroinvertebrates in the Reefs of West Sulu Sea, Palawan, Philippines

Balisco¹,

Gonzales²,

Dolorosa³

2022

Philipp J Sci

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Commonly gleaned macro-benthic invertebrates in a small offshore island of Cawili, Cagayancillo, Palawan, Philippines

Ardines,

Mecha,

Dolorosa

2020

PalawanSci

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The inhabitants of small offshore islands are highly dependent on the health and availability of their resources. However, pieces of information about the commonly gleaned species in some remote areas are sparsely documented. In this study, we inventoried the species composition of the widely gleaned macro-benthic invertebrates such as gastropods, bivalves, and sea cucumbers in Cawili Island, a small inhabited island in the middle of the Sulu Sea in Palawan, Philippines. The samples obtained from fishers and snorkeling activities in shallow areas revealed a total of 85 species belonging to 27 families. Most of these were gastropods, composed of 68 species under 20 families. The list includes nine protected species (four gastropods, two bivalves, and three sea cucumbers). Gastropods and bivalves were mostly used for food and display in the house of the fishermen (souvenir), while the sea cucumbers were exclusively harvested for trade. Sustainable fishery activities are needed in this small offshore island where people heavily rely on their marine resources.

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Spatial and Temporal Abundance of the reef gastropod Tectus niloticus (Gastropoda: Tegulidae) in Marine Protected Areas in Palawan, Philippines: Prospects for Conservation

Cited by 2 publications

References 20 publications

Economically Important Benthic Macroinvertebrates in the Reefs of West Sulu Sea, Palawan, Philippines

Economically Important Benthic Macroinvertebrates in the Reefs of West Sulu Sea, Palawan, Philippines

Commonly gleaned macro-benthic invertebrates in a small offshore island of Cawili, Cagayancillo, Palawan, Philippines

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