MARC details
| 000 -LEADER |
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| fixed length control field |
03267nam a22003257a 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
OSt |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20260615114420.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
260615b |||||||| |||| 00| 0 eng d |
| 040 ## - CATALOGING SOURCE |
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| Language of cataloging |
English |
| Transcribing agency |
TUPM |
| Modifying agency |
TUPM |
| Description conventions |
rda |
| 050 ## - LIBRARY OF CONGRESS CALL NUMBER |
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| Classification number |
BTH GF 41 |
| Item number |
C37 2026 |
| 100 ## - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Castro, Catrina D. |
| Relator term |
Author |
| 245 ## - TITLE STATEMENT |
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| Title |
Air Quality and Characterization of Microplastic Presence in Moss Plant in Intramuros, Manila, Philippines/ |
| Statement of responsibility, etc. |
Catrina D. Castro, Jan Yzabel A. Gaza, Samantha H. Gierza, Keith Brian M. Hizon, and Danica R. Robles..- |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. |
|---|
| Place of publication, distribution, etc. |
Manila: |
| Name of publisher, distributor, etc. |
Technological University of the Philippines, |
| Date of publication, distribution, etc. |
2026. |
| 300 ## - PHYSICAL DESCRIPTION |
|---|
| Extent |
v, 277 pages: |
| Dimensions |
29 cm. |
| 336 ## - CONTENT TYPE |
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| Source |
rdacontent |
| 337 ## - MEDIA TYPE |
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| Source |
rdamedia |
| 338 ## - CARRIER TYPE |
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| Source |
rdacarrier |
| 500 ## - GENERAL NOTE |
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| General note |
Bachelor's Thesis |
| 502 ## - DISSERTATION NOTE |
|---|
| Dissertation note |
College of Science..- |
| Degree type |
Bachelor of Science in Environmental Science: |
| Name of granting institution |
Technological University of the Philippines, |
| Year degree granted |
2026. |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE |
|---|
| Bibliography, etc. note |
Includes bibliographic references and index. |
| 520 ## - SUMMARY, ETC. |
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| Summary, etc. |
This study determined the presence and characteristics of microplastics (MPs) on<br/>naturally occurring mosses in Intramuros, Manila during the wet and dry seasons. A<br/>mixed-methods approach was employed, wherein the quantitative component utilized<br/>observational biomonitoring to detect and characterize MPs, while the qualitative<br/>component applied a descriptive survey design to identify possible sources contributing<br/>to microplastic presence in the area. The research was conducted in three stratified<br/>sampling sites in Intramuros, selected based on moss abundance and their representation<br/>of different environmental conditions. Air quality was measured in terms of:<br/>temperature, relative humidity, moisture, heat index, and wind speed. Microplastic<br/>particles were characterized based on abundance, size, shape, color, and polymer type,<br/>validated through Fourier Transform Infrared (FTIR) spectroscopy. A total of 36 out of<br/>284 microparticles were confirmed as microplastics from moss and air samples across<br/>both seasons. Fibers/lines were the dominant shape, and polyethylene terephthalate (PET)<br/>was the most abundant polymer. Color distribution in moss samples was dominated by<br/>white and transparent particles (wet season), and black particles (dry season). Larger<br/>particles (2.37–5 mm) were most prevalent. Although higher abundance was observed in<br/>the wet season, no significant difference was found between seasons (U = 3.00, p =<br/>0.700), indicating that microplastic distribution is influenced by multiple interacting<br/>meteorological and anthropogenic factors rather than seasonality alone. Findings confirm<br/>that mosses function as passive biomonitors of MPs. It is recommended to expand<br/>sampling coverage, develop standardized analytical methods, waste management policies<br/>and public awareness, regarding possible health risk implications, and conduct long-term<br/>multi-seasonal studies.<br/><br/>Keywords: anthropogenic activities, Intramuros, microplastics, moss, dry and wet season |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Environmental Science |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Anthropogenic activities |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Microplastics |
| 700 ## - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Gaza, Jan Ysabel A. |
| Relator term |
Author |
| 700 ## - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Gierza, Samantha H. |
| Relator term |
Author |
| 700 ## - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Hizon, Keith Brian M. |
| Relator term |
Author |
| 700 ## - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Robles, Danica R. |
| Relator term |
Author |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
|---|
| Source of classification or shelving scheme |
Library of Congress Classification |
| Koha item type |
Bachelor's Thesis COS |
| Suppress in OPAC |
No |