000			02641nam a22002657a 4500
003			OSt
005			20241125113645.0
008			241125b |||||||| |||| 00| 0 eng d
040			_aTUPM _bEnglish _cTUPM _dTUPM _erda
050			_aBTH GF 41 _bE83 2024
100			_aEscartin, Lucia Marie P. _eauthor
245			_aHabit distribution of Wharf roach (Ligia exotica) and water quality of Ubihan riverine ecosystem, Bulacan, Philippines/ _cLucia Marie P. Escartin, Romelyn D. Gabon, and Ryle Jairus C. Tuzon .--
260			_aManila: _bTechnological University of the Philippines, _c2024.
336			_2rdacontent
337			_2rdamedia
338			_2rdacarrier
500			_aThesis (undergraduate)
502			_aCollege of Science .-- _bBachelor of Science un Environmental Science: _cTechnological University of the Philippines, _d2024.
504			_aIncludes bibliography:
520			_aThis study aimed to determine the water quality and wharf roach (Ligia sp.) abundance in Ubihan Riverine Ecosystem, Bulacan, Philippines, during five sampling months from December 2023 to April 2024. The samples were collected in three sampling sites: Site 1 (near boat terminal), Site 2 (fishing spot near construction area), and Site 3 (residential area, boat waterway). Grab and composite sampling methods were used in the collection of water samples. The wharf roach specimens were collected using a handpick method. A survey questionnaire was used in determining the anthropogenic activities, water quality awareness, and protection and conservation measures of residents in Ubihan River. For Class C water body, results showed that pH, biological oxygen demand, and nitrate levels in Ubihan River were acceptable for all the sampling months based on DENR standards, while temperature, total coliform, dissolved oxygen, and total reactive phosphorus did not meet DENR standards. The Water Quality Index in Ubihan River was unfit and deteriorated in all sampling months and all sampling locations. The abundance of Ligia sp. was significantly influenced by biological oxygen demand (r=.524, p=.045) in which they share a moderate positive correlation. Other physicochemical parameters of water did not exhibit a significant relationship with wharf roach abundance. To better preserve the ecosystem services of Ubihan River, an improvement in river management and protection is needed as well as a deeper understanding of the species present in the riverine ecosystem.
650			_aWater quality tests
700			_aGabon, Romelyn D. _eauthor
700			_aTuzon, Ryle Jairus C. _eauthor
942			_2lcc _cBTH COS _n0
999			_c29115 _d29115