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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Interactions Between Marine Megafauna And Plastic Pollution In Southeast Asia, Lucy C.M. Omeyer, Emily Duncan, Neil Angelo S. Abreo, Jo Marie V. Acebes, Lea A. Angsinco-Jimenez, Sabiqah T. Anuar, Lemnuel V. Aragones, Gonzalo Araujo, Luis R. Carrasco, Emilyn Q. Espiritu
Interactions Between Marine Megafauna And Plastic Pollution In Southeast Asia, Lucy C.M. Omeyer, Emily Duncan, Neil Angelo S. Abreo, Jo Marie V. Acebes, Lea A. Angsinco-Jimenez, Sabiqah T. Anuar, Lemnuel V. Aragones, Gonzalo Araujo, Luis R. Carrasco, Emilyn Q. Espiritu
Environmental Science Faculty Publications
Southeast (SE) Asia is a highly biodiverse region, yet it is also estimated to cumulatively contribute a third of the total global marine plastic pollution. This threat is known to have adverse impacts on marine megafauna, however, understanding of its impacts has recently been highlighted as a priority for research in the region. To address this knowledge gap, a structured literature review was conducted for species of cartilaginous fishes, marine mammals, marine reptiles, and seabirds present in SE Asia, collating cases on a global scale to allow for comparison, coupled with a regional expert elicitation to gather additional published and …
Mixing Regimes In A Cluster Of Seven Maar Lakes In Tropical Monsoon Asia, Milette U. Mendoza, Jaydan I. Aguilar, Karol Sophia Agape R. Padilla, Rey Donne S. Papa, Noboru Okuda
Mixing Regimes In A Cluster Of Seven Maar Lakes In Tropical Monsoon Asia, Milette U. Mendoza, Jaydan I. Aguilar, Karol Sophia Agape R. Padilla, Rey Donne S. Papa, Noboru Okuda
Environmental Science Faculty Publications
The 7 maar lakes of San Pablo are a cluster of small volcanic lakes on Luzon Island; Philippines. These lakes; which are heavily utilized for aquaculture and ecotourism; usually experience fish kills that coincide with the northeast monsoon (NEM). This study explores limnophysical processes; particularly mixing regimes; in the lakes in relation to prevailing monsoons. We monitored monthly vertical and seasonal profiles of water temperature; salinity; conductivity; and dissolved oxygen from October 2016 to December 2018. Three types of mixing regimes were observed among the lakes; which have similar surface areas but different depths: polymixis in the shallowest; warm monomixis …
Addressing Rice Waste In University Cafeterias Using Material Flow Analysis And System Dynamics Modeling, Abigail Marie T. Favis, Charlotte Kendra Z. Gotangco-Gonzales, Ana Erika Lareza
Addressing Rice Waste In University Cafeterias Using Material Flow Analysis And System Dynamics Modeling, Abigail Marie T. Favis, Charlotte Kendra Z. Gotangco-Gonzales, Ana Erika Lareza
Environmental Science Faculty Publications
Food waste has emerged as one of the focus areas in sustainability research. At the Ateneo de Manila University, previous studies have found that food waste is composed mainly of rice. This study, therefore, analyzed cafeteria rice systems in the university through a material flow analysis (MFA) to identify key factors for formulating effective rice waste reduction techniques and then applied the results toward developing system dynamics (SD) models as tools for decision-making. The MFA found that the total mass of produced known rice waste was 49.48 kg/d. The largest sources of rice wastes were the upstream processes of the …
Implications Of Covid-19 On Progress In The Un Conventions On Biodiversity And Climate Change, Andrea Monica D. Ortiz, Alaya M. De Leon, Justine Nicole V. Torres, Cecilia Therese T. Guiao, Antonio Gabriel M. La Viña
Implications Of Covid-19 On Progress In The Un Conventions On Biodiversity And Climate Change, Andrea Monica D. Ortiz, Alaya M. De Leon, Justine Nicole V. Torres, Cecilia Therese T. Guiao, Antonio Gabriel M. La Viña
Environmental Science Faculty Publications
2020 was to be a landmark year for setting targets to stop biodiversity loss and prevent dangerous climate change. However, COVID-19 has caused delays to the 15th Conference of the Parties (COP) of the UN Convention on Biological Diversity and the 26th COP of the UN Framework Convention on Climate Change. Negotiations on the Global Biodiversity Framework and the second submission of Nationally Determined Contributions under the Paris Agreement were due to take place at these COPs. There is uncertainty as to how the COVID-19 disruption will affect the negotiations, whether parties will pursue more ambitious actions or take a …
Changes In The Philippine Coastal Environment, Karl H. Szekielda, Ma. Aileen Leah G. Guzman
Changes In The Philippine Coastal Environment, Karl H. Szekielda, Ma. Aileen Leah G. Guzman
Environmental Science Faculty Publications
Global warming is progressing at a faster speed than has been estimated earlier in climate forecasting, and the ocean responds rather quickly to global temperature increase. This study uses remotely sensed data that were accessed from the System for Multidisciplinary Research and Applications (NASA Giovanni) to study environmental change in the Philippines’ coast. Monthly averaged sea surface temperature series from around the Philippines indicate that the Philippines follow the global trend in ocean temperature increase and show the increase of about 0.50C within two decades. Despite the high variability in temperature, the linear regressions displayed for all seasons show an …
Establishing Rates Of Carbon Sequestration In Mangroves From An Earthquake Uplift Event, Severino G. Salmo Iii, Vanessa Malapit, Maria Carmela A. Garcia, Homer M. Pagkalinawan
Establishing Rates Of Carbon Sequestration In Mangroves From An Earthquake Uplift Event, Severino G. Salmo Iii, Vanessa Malapit, Maria Carmela A. Garcia, Homer M. Pagkalinawan
Environmental Science Faculty Publications
We assessed the carbon stocks (CS) in mangroves that developed after a magnitude 7.1 earthquake in Silonay, Oriental Mindoro, south Luzon, The Philippines in November 1994. The earthquake resulted in a 50 cm uplift of sediment that provided new habitat within the upper intertidal zone which mangroves colonized (from less than 2 ha pre-earthquake to the current 45 ha, 23 years post-earthquake). The site provided an opportunity for a novel assessment of the rate of carbon sequestration in recently established mangroves. The carbon stock was measured in above-ground, below- ground and sediment compartments over a seaward to landward transect. Results …
Recolonization Of Mollusc Assemblages In Mangrove Plantations Damaged By Typhoon Chan-Hom In The Philippines, Severino G. Salmo Iii, Ian R. Tibbetts, Norman C. Duke
Recolonization Of Mollusc Assemblages In Mangrove Plantations Damaged By Typhoon Chan-Hom In The Philippines, Severino G. Salmo Iii, Ian R. Tibbetts, Norman C. Duke
Environmental Science Faculty Publications
We investigated the effects of a catastrophic typhoon on mollusc assemblages of damaged mangrove plantations of different ages. Molluscs were sampled from infaunal, epifaunal and arboreal assemblages of mangrove stands in Lingayen Gulf, northwest Philippines, and compared with assemblages of un-impacted areas. Prior to the occurrence of the typhoon, there were clear shifts in the species diversity (H’) and composition of mollusc assemblages with stand age of mangrove forests. This was observed in species composition through the succession in dominance from pioneer to seral or putative climax species, and assemblage type (as arboreal, epifaunal and infaunal). However, severe damage to …
Development Of 11 Polymorphic Microsatellite Markers For Xylocarpus Granatum (Meliaceae) Using Next-Generation Sequencing Technology, Yuki Tomizawa, Yoshimi Shinmura, Alison K S Wee, Koji Takayama, Takeshi Asakawa, Orlex Baylen Yllano, Severino G. Salmo Iii, Erwin Riyanto Ardli, Nguyen Xuan Tung, Norhaslinda Binti Malekal, Onrizal Onrizal, Sankararamasubramanian H. Meenakshisundaram, Sarawood Sungkaew, Mohd Nazre Saleh, Bayu Adjie, Khin Khin Soe, Emiko Oguri, Noriaki Murakami, Yasuyuki Watano, Shigeyuki Baba, Edward L. Webb, Tadashi Kajita
Development Of 11 Polymorphic Microsatellite Markers For Xylocarpus Granatum (Meliaceae) Using Next-Generation Sequencing Technology, Yuki Tomizawa, Yoshimi Shinmura, Alison K S Wee, Koji Takayama, Takeshi Asakawa, Orlex Baylen Yllano, Severino G. Salmo Iii, Erwin Riyanto Ardli, Nguyen Xuan Tung, Norhaslinda Binti Malekal, Onrizal Onrizal, Sankararamasubramanian H. Meenakshisundaram, Sarawood Sungkaew, Mohd Nazre Saleh, Bayu Adjie, Khin Khin Soe, Emiko Oguri, Noriaki Murakami, Yasuyuki Watano, Shigeyuki Baba, Edward L. Webb, Tadashi Kajita
Environmental Science Faculty Publications
Human impacts have seriously damaged mangroves, and conservation of mangroves will require information on local and regional population genetic structures. Here, we report the development and polymorphism of eleven novel microsatellite markers, developed using next- generation sequencing on 56 samples of widespread man- grove species Xylocarpus granatum (Meliaceae) from nine populations across the Indo-West Pacific region. All loci were found to be polymorphic, with the number of alleles per locus ranging from four to 19. In a population from Sabah (Malaysia), the mean observed and expected heterozygosity per locus was 0.59 and 0.58, respectively. No null allele, significant linkage disequilibrium …