scholarly journals Tintinnids (Ciliophora, Oligotrichea) within power plant discharge and marine protected areas in Masinloc-Oyon Bay

Check List ◽  
2021 ◽  
Vol 17 (6) ◽  
pp. 1533-1539
Author(s):  
Jane Abigail Santiago ◽  
Ma Carmen Ablan-Lagman
Keyword(s):  
Power Plant ◽  
Protected Areas ◽  
Marine Protected Areas ◽  
Diversity Index ◽  
Thermal Power ◽  
The Philippines ◽  
Field Sampling ◽  
Species Diversity Index ◽  
Philippine Sea ◽  
West Philippine Sea

There are only five studies on tintinnids of the Philippines. We present a checklist of tintinnids (Ciliophora, Oligotrichea) from Masinloc-Oyon Bay, Province of Zambales, West Philippine Sea. Masinloc-Oyon Bay is a unique in having both marine protected areas and a coal-fired thermal power plant within the same bay. Field sampling was performed in July 2017, which recorded 10 species belonging to one order, six families, and seven genera. Station 1 inside the power plant’s outfall had the lowest diversity, whereas the stations within marine protected areas had a relatively higher species diversity index. Our new data are the first records of tintinnid species in Masinloc-Oyon Bay. These records add to the regional checklist of the Philippine Sea.

Effectiveness of small locally-managed marine protected areas for coral reef fisheries management in the Philippines

2019 ◽  
Vol 179 ◽  
pp. 104831 ◽  
Author(s):  
Richard N. Muallil ◽  
Melchor R. Deocadez ◽  
Renmar Jun S. Martinez ◽  
Wilfredo L. Campos ◽  
Samuel S. Mamauag ◽  
...  
Keyword(s):  
Coral Reef ◽  
Protected Areas ◽  
Fisheries Management ◽  
Marine Protected Areas ◽  
The Philippines ◽  
Coral Reef Fisheries

Vertical Movements, Behavior and Habitat Utilization of Adult Yellowfin Tuna (Thunnus albacares) Tagged in West Philippine Sea, Mindoro Island, Philippines

2015 ◽  
Vol 15 (1) ◽  
Author(s):  
Edison D. Macusi ◽  
Ricardo P. Babaran ◽  
Jose T. Ingles
Keyword(s):  
Total Duration ◽  
The Philippines ◽  
Habitat Utilization ◽  
Yellowfin Tuna ◽  
Thunnus Albacares ◽  
Vertical Movements ◽  
Deep Dive ◽  
Philippine Sea ◽  
West Philippine Sea ◽  
Mindoro Island

This paper describes the vertical movements, behavior and habitat utilization of an electronically tagged adult yellowfin tuna (Thunnus albacares) after 17 days of liberty in the Philippines based on analyses of 23,845 datapoints recorded from a recovered electronic popup tag. The exhaustive set provides a way to describe the vertical movement as well as a range of behaviors exhibited by the fish. We used the daily time records of depth and temperature from the vertical dives of the fish at different times of the day (nocturnal, dawn, diurnal, dusk) to describe fish behavior and to characterize its three deep dives. The fish stayed 23% and 24% of its time at warmer waters of 28 0C and 30 0C. It also spent 15% of its time at 26 0C and 10% of its time at colder waters of 20 0C and 22 0C. The daily differences in temperatures fluctuated from 12.10C to 30.1 0C with the daily average temperature of 24.2 0C. Swimming speeds determined show the maximum vertical ascent speed that the fish registered reached 1.53m/s swimming from a depth of 195m to 104m during a dusk. The maximum vertical descent speed reached 1.38m/s from a depth of 78m down to 161m. The deepest dive of the fish started from a U-shaped diving profile that lasted for almost 32 minutes and then followed by another U-shaped dive for 12 minutes before a deep dive and fast vertical ascent. The total duration of its dives differ with water depth: 0-50m (1.89 hours), 50-75m (4.78 hours), 75-100m (3.35 hours), 100-125m (1.69 hours), 125-150m (1.69 hours). Such swimming behavior provides valuable information on the vulnerability of tunas particularly the juvenile fishery.   Keywords - Archival tag, fish aggregating device (FAD), Mindoro Island, West Philippine Sea, Yellowfin tuna, Philippines

scholarly journals Benthic impacts of recreational divers in a Mediterranean Marine Protected Area

2009 ◽  
Vol 66 (3) ◽  
pp. 517-523 ◽  
Author(s):  
Beatriz Luna ◽  
Carlos Valle Pérez ◽  
Jose Luis Sánchez-Lizaso
Keyword(s):  
Protected Areas ◽  
Marine Protected Areas ◽  
Natural Environment ◽  
Protected Area ◽  
Marine Protected Area ◽  
Scuba Diving ◽  
Field Sampling ◽  
Frequent Type ◽  
Recreational Scuba ◽  
Benthic Impacts

Abstract Luna, B., Valle Pérez, C., and Sánchez-Lizaso, J. L. 2009. Benthic impacts of recreational divers in a Mediterranean Marine Protected Area. – ICES Journal of Marine Science, 66: 517–523. The features of many Marine Protected Areas (MPAs) have increased scuba diving tourism in these areas. Impacts caused by recreational scuba activity vary widely among different divers with differing underwater behaviour. We studied diver underwater behaviour, the effects on the natural environment, and the characteristics that may influence diver behaviour. In all, 181 recreational divers were followed, and contacts and the effects produced were recorded. Information on diver profile and dive features was recorded. Field sampling revealed that 175 of the divers observed (96.7%) made at least one contact with the seabed, with a mean contact of 41.20 ± 3.55 (mean ± s.e.) per diver per 10 min. Flapping was the most frequent type of contact, and the main damage by this action was to raise sediment. Contact with the seabed was greater for males than for females, inexperienced divers than for experienced divers, camera or lantern (dive light) users than for non-users, and divers unaccompanied by a dive leader or who had not been briefed about avoiding seabed contact before undertaking a dive than for accompanied or briefed divers. A greater understanding of the causes of harmful behaviour may be useful for stricter management, reducing diving damage and assuring the sustainability of this activity in MPAs.

scholarly journals Spatial and Short-Term Temporal Patterns of Octocoral Assemblages in the West Philippine Sea

2022 ◽  
Vol 8 ◽  
Author(s):  
Jue Alef A. Lalas ◽  
Romina Therese S. Lim ◽  
Joey P. Cabasan ◽  
Christine S. Segumalian ◽  
Rhea Mae A. Luciano ◽  
...  
Keyword(s):  
Temporal Variations ◽  
The Philippines ◽  
Marine Biodiversity ◽  
Taxonomic Richness ◽  
Short Term ◽  
The West ◽  
Philippine Sea ◽  
Baseline Information ◽  
West Philippine Sea ◽  
Study Sites

Octocorals are relatively understudied than other coral reef organisms despite their ecological and economic values. The Philippines is known to have high marine biodiversity, but information on octocorals is lacking. This study investigated spatial and temporal variations in the assemblage of octocorals in selected reef sites in the West Philippine Sea (WPS)- the Kalayaan Island Group (i.e., Pag-asa, Sabina, Lawak, and Northeast Investigator) and Ulugan in 2017 and 2019. Results showed high octocoral taxonomic richness (at least 10 families) in the study sites. Mean percent octocoral cover in WPS was 5.35% SE ± 0.55, with Sabina having the highest octocoral cover in both years. Significant differences in octocoral cover were observed among sites in both years, but among-station differences were only observed in 2017. Octocoral assemblage also differed among sites in both years (ANOSIM: R > 0.5, p < 0.05), wherein different octocoral taxa dominated in different sites. In particular, variations were driven by high cover of holaxonians, nephtheids, and coelogorgiids in Sabina, and clavulariids, tubiporiids, and xeniids in Northeast Investigator in 2017. In 2019, significant variations were driven by high cover of helioporiids in Pag-asa, while Sabina had higher abundance of holaxonians, nephtheids, alcyoniids, and xeniids. Short-term temporal variation on octocoral cover in monitoring stations in Pag-asa was not observed (Kruskal-Wallis, p > 0.05), although the overall mean octocoral cover increased from 1.23% ± SE 0.47 in 2017 to 2.09% SE ± 0.37 in 2019. Further, there was no significant change in the octocoral assemblage in Pag-asa between years (ANOSIM, R = 0.11, p = 0.07). This study highlights high octocoral taxonomic richness in the WPS relative to other sites in the Indo-Pacific Region and provides baseline information on the octocoral assemblages, which can be useful for future ecological studies and marine biodiversity conservation efforts.

Infodemics and Deadly Racist Viruses: covid-19 Response in the Chinese-Filipino Community

2021 ◽  
Vol 15 (2) ◽  
pp. 161-185
Author(s):  
Teresita Ang See
Keyword(s):  
The Philippines ◽  
Illegal Immigrants ◽  
The West ◽  
Philippine Sea ◽  
Positive Action ◽  
Chinese Workers ◽  
West Philippine Sea ◽  
The Government ◽  
The Way

Abstract In the last decade, the Philippines has experienced an escalation of anti-Chinese sentiment due to many factors, founded and unfounded. The growing presence of illegal immigrants and crimes associated with them; an increase in the number of Chinese workers, who are perceived as competing with Filipino workers; an increase in Chinese businesses, especially in retail, some operating without permits; the continuing dispute between China and the Philippines over the islands in the West Philippine Sea; President Rodrigo Duterte’s China pivot policy and what has been deemed as favoring China to the detriment of the Philippines. This confluence of events has served to worsen the image of China. The covid-19 pandemic and the way the government responded to it worsened the sinophobia directed at anyone considered “Chinese,” including Filipinos of Chinese ancestry. This paper explores the racism vented against the Chinese and how the local Chinese-Filipino community has responded with positive action to help mitigate the anti-Chinese wave.

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