Geoecology of Laguna de Bay, Philippines: long-term alterations of a tropical-aquatic ecosystem 1820 - 1992
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| Format: | Thesis Book |
| Language: | English |
| Published: |
1995
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | Getr. Zählung Ill., graph. Darst., Kt. |
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Record in the Search Index
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| adam_text | GEOECOLOGY OF LAGUNA DE BAY, PHILIPPINES: LONG-TERM ALTERATIONS OF A
TROPICAL-AQUATIC ECOSYSTEM 1820-1992 DISSERTATION ZUR ERLANGUNG DES
DOKTORGRADES DER NATURWISSENSCHAFTEN IM FACHBEREICH GEOWISSENSCHAFTEN
DER UNIVERSITAT HAMBURG VORGELEGT VON MARIO R. DELOS REYES AUS BATANGAS
CITY, PHILIPPINEN HAMBURG 1995 TABLE OF CONTENTS TITLE PAGE CERTIFICATE
OF APPROVAL PREFACE DEDICATION LIST OF FIGURES LIST OF TABLES LIST OF
PHOTOS LIST OF ANNEXES LIST OF ACRONYMS LIST OF SYMBOLS AND MEASUREMENTS
PART I INTRODUCTION 1.0 ECOSYSTEM, PROBLEM AND OBJECTIVE 1.1 ECOSYSTEM:
AN OVERVIEW 1.2 STATEMENT OF THE PROBLEM .1.3 OBJECTIVES OF THE STUDY
PART II DESCRIPTION OF THE ECOSYSTEM 2.0 LAGUNA DE BAY ECOSYSTEM 2.1
WATERSHED ECOSYSTEM . 2.1.1 CHARACTERISTICS OF THE WATERSHED ECOSYSTEM
2.1.2 STATUS OF THE WATERSHED ECOSYSTEM 2.2 LAKE ECOSYSTEM 2.2.1
CHARACTERISTICS OF THE LAKE ECOSYSTEM 2.2.2 STATUS OF THE LAKE ECOSYSTEM
3.0 SOCIO-ECONOMIC CONDITIONS OF THE LAGUNA.DE BAY ECOSYSTEM 3.1»
SOCIO-ECONOMIC PROFILE 3.2 A DYING LAKE: SOCIO-ECONOMIC IMPACT PART III
MATERIALS AND METHODS 4.0 MATERIALS AND METHODS 4.1 DETERMINATION OF
RELIABILITY 4.2 FREQUENCY DISTRIBUTION OF THE DATA 4.3 WATER QUALITY
ANALYSIS 4.3.1 CENTERED MOVING AVERAGES - TIME SERIES ANALYSIS 4.3.2
LINEAR REGRESSION - TREND ANALYSIS 4.3.3 MULTIPLE CORRELATION ANALYSIS
4.3.4 PRINCIPAL COMPONENT ANALYSIS 4.4 BIOLOGICAL ANALYSIS 4.5 ECOSYSTEM
ANALYSIS 4.5.1 PARAMETRIZATION USED IN THE MODELS 4.5.1.1 CATCH (C)
4.5.1.2 BIOMASS (B) 4.5.1.3 PRODUCTION/BIOMASS RATIO (P/B) 4.5.1.4
CONSUMPTION/BIOMASS (Q/B) 4.5.1.5 ECOTROPHIC AND GROSS EFFICIENCIES (EE
AND GE) 4.5.1.6 DIET COMPOSITION (DC) 4.5.2 STEADY-STATE MODEL: THE
ECOPATH 4.5.2.1 MODEL DESCRIPTION 4.5.2.2 REGRESSION AND CORRELATION
ANALYSIS OF SUMMARY STATISTICS 4.6 COMPREHENSIVE BIBLIOGRAPHY OF LAGUNA
DE BAY I II III IV VII VIII VIII VIII IX X 1 1 1 2 4 5 5 5 5 10 15 15 16
18 18 19 23 23 25 27 27 32 32 32 36 36 40 40 40 40 43 44 44 45 45 45 50
50 PART IV RESULTS AND DISCUSSIONS I: RECENT FEATURES OF AQUATIC
ECOSYSTEM 52 5.0 HISTORICAL DEVELOPMENTS AND TRENDS OF THE LAKE
ECOSYSTEM 52 5.1 INTERNATIONAL AWARENESS ON WATER RESOURCES MANAGEMENT
54 5.2 REVIEW OF WATER QUALITY MANAGEMENT STUDIES IN LAGUNA DE BAY 54
5.3 DESCRIPTIVE STATISTICS OF SELECTED PARAMETERS 55 5.4 TIME SERIES OF
SELECTED PARAMETERS 56 5.5 TREND ANALYSIS OF SELECTED PARAMETERS 56 5.6
CORRELATION ANALYSIS OF SELECTED PARAMETERS 61 5.6.1 VARIABLES RELATING
TO SALT CONCENTRATIONS 61 5.6.2 VARIABLES RELATING TO NUTRIENT
CONCENTRATIONS 65 5.6.3 VARIABLES RELATING TO PHYTOPLANKTON BIOMASS AND
NET PRIMARY PRODUCTIVITY (NPP) 66 5.6.4 VARIABLES RELATING TO SEDIMENTS
AND PHYSICAL CHARACTERISTICS 66 5.7 PRINCIPAL COMPONENT ANALYSIS 66 5.8
SUMMARY OF DEVELOPMENTS OF THE LAGUNA DE BAY ECOSYSTEM . 67 PART V
RESULTS AND DISCUSSIONS II: ECO-HISTORY OF AQUATIC ECOSYSTEM 70 6.0
ECO-HISTORY OF THE LAGUNA DE BAY ECOSYSTEM 70 6.1 REVIEW OF ECOLOGICAL
MODELLING STUDIES IN LAGUNA DE BAY 72 6.2 LAGUNA DE BAY AQUATIC
ECOSYSTEM MODELS: HISTORICAL PERSPECTIVE 73 6.3 LAGUNA DE BAY ECOSYSTEM
1820-1992 73 6.3.1 ECOSYSTEM 1820-1886 73 6.3.1.1 SYSTEM DESCRIPTIONS 73
6.3.1.2 SYSTEM MIXED TROPHIC IMPACTS 74 6.3.1.3 SYSTEM CYCLES AND
PATHWAYS 74 6.3.2 ECOSYSTEM 1920S 78 6.3.2.1 SYSTEM DESCRIPTIONS . 78
6.3.2.2 SYSTEM MIXED TROPHIC IMPACTS 79 6.3.2.3 SYSTEM CYCLES AND
PATHWAYS 79 6.3.3 ECOSYSTEM 1950S 83 6.3.3.1 SYSTEM DESCRIPTIONS 83
6.3.3.2 SYSTEM MIXED TROPHIC IMPACTS 84 6.3.3.3 SYSTEM CYCLES AND
PATHWAYS 84 6.3.4 ECOSYSTEM 1968 89 6.3.4.1 SYSTEM DESCRIPTIONS 89
6.3.4.2 SYSTEM MIXED TROPHIC IMPACTS 89 6.3.4.3 SYSTEM CYCLES AND
PATHWAYS 93 6.3.5 ECOSYSTEM 1980S 93 6.3.5.1 SYSTEM DESCRIPTIONS 93
6.3.5.2 SYSTEM MIXED TROPHIC IMPACTS 94 6.3.5.3 SYSTEM CYCLES AND
PATHWAYS 94 6.3.6 ECOSYSTEM 1990S 99 6.3.6.1 SYSTEM DESCRIPTIONS 99
6.3.6.2 SYSTEM MIXED TROPHIC IMPACTS 104 6.3.6.3 SYSTEM CYCLES AND
PATHWAYS 104 6.4 HISTORICAL COMPARISON, ANALYSIS AND TRENDS OF
ECOSYSTEMS 104 6.4.1 FUNCTIONAL RELATIONS AND STRUCTURAL DIFFERENCES OF
ECOSYSTEMS 104 6.4.2 SUMMARY STATISTICS OF ECOSYSTEMS 111 6.4.3
BEHAVIORAL TENDENCIES IN THE LAGUNA DE BAY ECOSYSTEM: PAST, PRESENT AND
FUTURE 116 PART VI SUMMARY, CONCLUSION AND RECOMMENDATION 127 7.0
SUMMARY AND CONCLUSIONS 127 8.0 RECOMMENDATIONS 1 30 9.0 REFERENCES 1 32
VI LIST OF FIGURES FIG. 1. THE BASIC CONCEPT OF A SYSTEM 1 FIG. 2.
GEOLOGICAL PROPERTIES AND ANTHROPOGENIC ALTERATIONS THAT INFLUENCE THE
LAGUNA DE BAY ECOSYSTEM 3 FIG. 3. MAP OF THE PHILIPPINES SHOWING THE 3
DIVISIONS, THE BIG CITIES AND LAGUNA DE BAY 6 FIG. 4. LAGUNA DE BAY
WATERSHED AND SUBBASIN BOUNDARIES 7 FIG. 5. TRANSECT LINE OF THE LAGUNA
DE BAY ECOSYSTEM AND ENVIRONS 9 FIG. 6. TOTAL NUMBER OF INDUSTRIES IN
RELATION TO WET INDUSTRIAL PLANTS (THOSE DISCHARGING LIQUID WASTES) FROM
1980 TO 1990 11 FIG. 7. ENVIRONMENTAL LOAD OF TOXIC AND HAZARDOUS
SUBSTANCES (THS) IN LAGUNA DE BAY WITH SUB-BASINS 11 FIG. 8. DIVISIONS
OF THE LAGUNA LAKE INTO FOUR BAYS SHOWING TOPOGRAPHICAL DIFFERENCES 16
FIG. 9. AQUATIC PRODUCTION IN LAGUNA DE BAY FROM 1961 TO 1988/89 17 FIG.
10. POPULATION GROWTH IN LAGUNA DE BAY BASIN FROM 1903 TO 1990 20 FIG.
11. NUMBER OF FISHERMEN IN LAGUNA DE BAY FROM 1963 TO 1990 20 FIG. 12.
METHODS OF PROFILE LINKAGES IN THE LAGUNA DE BAY ECOSYSTEM FROM 1820 TO
1992 23 FIG. 13. STRUCTURED METHODS AND TECHNIQUES IN THE LAGUNA DE BAY
STUDY 24 FIG. 14. MAP OF LAGUNA DE BAY AND LOCATION OF SAMPLING SITES.
26 FIG. 15. GRAPHIC COMPARISON OF SELECTED VARIABLES IN WATER QUALITY
MONITORING AND PRIMARY PRODUCTIVITY PROGRAMS IN LAGUNA DE BAY, 1991-92
28 FIG. 16. FREQUENCY DISTRIBUTIONS OF SELECTED VARIABLES IN LAGUNA DE
BAY 1980-1992 29 FIG. 17. MONTHLY MEAN VALUES (CIRCLES) AND 12-MONTH
MOVING AVERAGE (SOLID LINES) 57-58 FIG. 18. YEARLY MEAN VALUES (BROKEN
LINES) AND THE LINEAR CURVE ESTIMATIONS (STRAIGHT LINES) 59-60 FIG. 19.
STRUCTURAL RELATIONSHIP OF SELECTED PARAMETERS IN THE LAGUNA DE 3AY
AQUATIC ECOSYSTEM, 1980-92 (PEARSON METHOD) 63 FIG. 20. STRUCTURAL
RELATIONSHIPS OF SELECTED PARAMETERS IN THE LAGUNA DE BAY AQUATIC
ECOSYSTEM, 1980-92 (SPEARMAN METHOD) 64 FIG. 21. FLOW DIAGRAM SHOWING
THE COMPLEXITY OF INTERRELATIONSHIPS INFLUENCING THE DETERIORATION OF
LAGUNA DE BAY ECOSYSTEM 69 FIG. 22. GRAPH THAT PLOTS KNOWLEDGE VERSUS
MODEL COMPLEXITY MEASURED BY THE NUMBER OF STATE VARIABLES 70 FIG. 23.
ECOPATH II MODEL OF TROPHIC LEVEL STRUCTURE OF THE LAGUNA DE BAY
ECOSYSTEM IN 1820-1886 75 FIG. 24. MATRIX OF MIXED TROPHIC IMPACTS IN
THE LAGUNA DE BAY ECOSYSTEM IN 1820-1886 76-77 FIG. 25. PATHWAYS LEADING
FROM THE PRIMARY PRODUCERS (PHYTOPLANKTON) TO AN APEX PREDATOR
(CROCODILES) IN THE LAGUNA DE BAY ECOSYSTEM IN 1820-1886 78 FIG. 26.
ECOPATH II MODEL OF TROPHIC LEVEL STRUCTURE OF THE LAGUNA DE BAY
ECOSYSTEM IN THE 1920S 80 FIG. 27. MATRIX OF MIXED TROPHIC IMPACTS IN
THE LAGUNA DE BAY ECOSYSTEM IN THE 1920S 81-82 FIG. 28. PATHWAYS LEADING
FROM THE PRIMARY PRODUCERS (PHYTOPLANKTON) TO AN APEX PREDATOR (BIRDS)
IN THE LAGUNA DE BAY ECOSYSTEM IN THE 1920S 83 FIG. 29. ECOPATH II MODEL
OF TROPHIC LEVEL STRUCTURE OF THE LAGUNA DE BAY ECOSYSTEM IN THE 1950S
85 FIG. 30. MATRIX OF MIXED TROPHIC IMPACTS IN THE LAGUNA DE BAY
ECOSYSTEM IN THE 195,0S 86-87 FIG. 31. PATHWAYS LEADING FROM THE PRIMARY
PRODUCERS (PHYTOPLANKTON) TO AN APEX PREDATOR (SNAKES) IN THE LAGUNA DE
BAY ECOSYSTEM IN THE 1950S 88 FIG. 32. ECOPATH II MODEL OF TROPHIC LEVEL
STRUCTURE OF THE LAGUNA DE BAY ECOSYSTEM IN 1968 90 FIG. 33. MATRIX OF
MIXED TROPHIC IMPACTS IN THE LAGUNA DE BAY ECOSYSTEM IN 1968 91-92 FIG.
34. PATHWAYS LEADING FROM THE PRIMARY PRODUCERS (PHYTOPLANKTON) TO AN
APEX PREDATOR (MUDFISH) IN THE LAGUNA DE BAY ECOSYSTEM IN 1968 93 FIG.
35. ECOPATH II MODEL OF TROPHIC LEVEL STRUCTURE OF THE LAGUNA DE BAY
ECOSYSTEM IN THE 1980S 95 FIG. 36. MATRIX OF MIXED TROPHIC IMPACTS IN
THE LAGUNA DE BAY ECOSYSTEM IN THE 1980S 96-97 FIG. 37. PATHWAYS LEADING
FROM THE PRIMARY PRODUCERS (PHYTOPLANKTON) TO AN APEX PREDATOR (DUCKS)
IN THE LAGUNA DE BAY ECOSYSTEM IN THE 1980S 98 FIG. 38. ECOPATH II MODEL
OF TROPHIC LEVEL STRUCTURE OF THE LAGUNA DE BAY ECOSYSTEM IN THE 1990S
100 FIG. 39. MATRIX OF MIXED TROPHIC IMPACTS IN THE LAGUNA DE BAY
ECOSYSTEM IN THE 1990S 101-102 FIG. 40. PATHWAYS LEADING FROM THE
PRIMARY PRODUCERS (PHYTOPLANKTON) TO AN APEX PREDATOR (CATFISH) IN THE
LAGUNA DE BAY ECOSYSTEM IN THE 1990S 103 FIG. 41. BALANCED FUNCTIONAL
CHANGES AND STRUCTURAL DIFFERENCES IN LAGUNA DE BAY AQUATIC ECOSYSTEM
111 FIG. 42. SUMMARY OF THE STATUS AND IMPORTANT CHANGES IN THE LAGUNA
DE BAY ECOSYSTEM COMPUTED BY THE ECOPATH II PROGRAM 113-115 FIG. 43.
HISTORICAL DEVELOPMENTS AND TRENDS IN THE LAGUNA DE BAY ECOSYSTEM
1820-1992 117-118 FIG. 44. LINEAR APPROXIMATIONS (FIRST ORDER) OF THE
DEVELOPMENTS IN THE LAGUNA DE BAY ECOSYSTEM FROM 1800 TO 2000 119-120
FIG. 45. STEERING AND REGULATING FLOW OF SELECTED PARAMETERS IN THE
LAGUNA DE BAY AQUATIC ECOSYSTEM, 1820-1990S 122 FIG. 46. PREDOMINANT
STEERING MECHANISM IN THE LAGUNA DE BAY AQUATIC ECOSYSTEM 124 VII LIST
OF TABLES TABLE TABLE TABLE 1. 2. 3. TABLE 4. TABLE TABLE TABLE TABLE
TABLE TABLE TABLE TABLE TABLE TABLE TABLE TABLE TABLE TABLE TABLE 5. 6.
7. 8. 9. 10 11. 12. 13. 14. 15. 16. 17. 18. 19. LAGUNA DE BAY WATER AND
BASIN USES/USERS 8 MEAN, STANDARD DEVIATION, MAXIMUM, MINIMUM AND NO. OF
CASES OF WATER QUALITY PARAMETERS IN LAGUNA DE BAY, 1973-1992 33
EXISTING AND PROPOSED WATER QUALITY STANDARDS FOR RECEIVING WATER
CLASSIFICATION 34-35 ANALYTICAL METHODS FOR WATER QUALITY MEASUREMENTS
IN LAGUNA DE BAY 35 LISTS OF SPECIES OF AQUATIC ORGANISMS IN THE LAGUNA
DE BAY ECOSYSTEM AND THEIR KEY PROPERTIES 37-38 PARAMETRIZATION OF
CROCODILES IN THE 1820S 39 PARAMETERS USED AS INPUT IN THE CONSTRUCTION
ECOPATH II MODELS FROM 1820 TO 1992 41 -42 DIET COMPOSITION MATRIX OF
SPECIES/GROUPS IN LAGUNA DE BAY ECOSYSTEM 46-49 CORRELATION MATRIX OF
MONTHLY AVERAGES OF SELECTED PARAMETERS IN THE LAGUNA DE BAY ECOSYSTEM
62 FACTOR LOADING MATRIX OF SELECTED PARAMETERS IN LAGUNA DE BAY WITH
VARIMAX ROTATION 67 BALANCED FUNCTIONAL CHANGES AND STRUCTURAL
DIFFERENCES IN THE LAGUNA DE BAY AQUATIC ECOSYSTEM IN 1820-1920S 105
BALANCED FUNCTIONAL CHANGES AND STRUCTURAL DIFFERENCES IN THE LAGUNA DE
BAY AQUATIC ECOSYSTEM IN 1920-1950S 106 BALANCED FUNCTIONAL CHANGES AND
STRUCTURAL DIFFERENCES IN THE LAGUNA DE BAY AQUATIC ECOSYSTEM IN
1950-1968 107 BALANCED FUNCTIONAL CHANGES AND STRUCTURAL DIFFERENCES IN
THE LAGUNA DE BAY AQUATIC ECOSYSTEM IN 1968-1980S 108 BALANCED
FUNCTIONAL CHANGES AND STRUCTURAL DIFFERENCES IN THE LAGUNA DE BAY
AQUATIC ECOSYSTEM IN 1980-1990S 109 BALANCED FUNCTIONAL CHANGES AND
STRUCTURAL DIFFERENCES IN THE LAGUNA DE BAY AQUATIC ECOSYSTEM IN
1820-1990S 110 SUMMARY OF THE IMPORTANT CHANGES IN THE LAGUNA DE BAY
ECOSYSTEM CALCULATED USING ECOPATH II MODELS 112 CORRELATION MATRIX OF
SELECTED PARAMETERS FROM ECOPATH II SUMMARY STATISTICS USING THE PEARSON
METHOD IN THE LAGUNA DE BAY AQUATIC ECOSYSTEM, 1820S-1990S 123 PATTERN
OF ALTERATIONS OF SELECTED PARAMETERS IN THE LAGUNA DE BAY AQUATIC
ECOSYSTEM, 1820S-1990S 125 LIST OF PHOTOS PHOTO 1. PHOTOS SHOWING THE
HEAVY DEFORESTED AREAS IN THE CENTRAL PORTION OF LAGUNA DE BAY 12 PHOTO
2. PHOTOS SHOWING THE INDUSTRIALIZED WESTERN SECTOR OF LAGUNA DE BAY 13
PHOTO 3. PHOTOS SHOWING THE INDUSTRIALIZED FISHERIES, FISH PENS AND
CAGES IN LAGUNA DE BAY 14 PHOTO 4. PHOTOS SHOWING THE LIVING CONDITIONS
OF THE LAKESHORE COMMUNITIES IN LAGUNA DE BAY 22 PHOTO 5. PHOTOS SHOWING
FIELD SAMPLING OF PHYSICAL, CHEMICAL, BIOLOGICAL, BACTERIOLOGICAL AND
METEOROLOGICAL PARAMETERS IN LAGUNA DE BAY 1991 -1992 31 LIST OF ANNEXES
ANNEX 1. CENSUS OF THE HUMAN POPULATION IN THE LAGUNA DE BAY REGION FROM
1903-1990, WHICH TREMENDOUSLY INFLUENCE THE ECOSYSTEM, ESPECIALLY AT THE
PRESENT TIME ANNEX 2. CROCODILES, THE EARLY APEX PREDATORS, INFLUENCING
THE LAGUNA DE BAY ECOSYSTEM, WITH THEIR CYCLES AND PATHWAYS VIII
|
| any_adam_object | 1 |
| author | Delos Reyes, Mario R. |
| author_facet | Delos Reyes, Mario R. |
| author_role | aut |
| author_sort | Delos Reyes, Mario R. |
| author_variant | r m r d rmr rmrd |
| building | Verbundindex |
| bvnumber | BV011500946 |
| classification_rvk | RR 60363 |
| ctrlnum | (OCoLC)52475850 (DE-599)BVBBV011500946 |
| discipline | Geographie |
| era | Geschichte 1820-1992 gnd |
| era_facet | Geschichte 1820-1992 |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| geographic | Philippinen (DE-588)4045771-0 gnd Laguna de Bay (DE-588)4495321-5 gnd |
| geographic_facet | Philippinen Laguna de Bay |
| id | DE-604.BV011500946 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T18:10:50Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-007740030 |
| oclc_num | 52475850 |
| open_access_boolean | |
| owner | DE-91 DE-BY-TUM DE-29 DE-12 DE-355 DE-BY-UBR DE-188 |
| owner_facet | DE-91 DE-BY-TUM DE-29 DE-12 DE-355 DE-BY-UBR DE-188 |
| physical | Getr. Zählung Ill., graph. Darst., Kt. |
| publishDate | 1995 |
| publishDateSearch | 1995 |
| publishDateSort | 1995 |
| record_format | marc |
| spelling | Delos Reyes, Mario R. Verfasser aut Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 vorgelegt von Mario R. Delos Reyes 1995 Getr. Zählung Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Hamburg, Univ., Diss., 1995 Geschichte 1820-1992 gnd rswk-swf Aquatisches Ökosystem (DE-588)4293663-9 gnd rswk-swf Ökosystem (DE-588)4043216-6 gnd rswk-swf Geoökologie (DE-588)4137703-5 gnd rswk-swf Philippinen (DE-588)4045771-0 gnd rswk-swf Laguna de Bay (DE-588)4495321-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Philippinen (DE-588)4045771-0 g Geoökologie (DE-588)4137703-5 s Aquatisches Ökosystem (DE-588)4293663-9 s DE-604 Laguna de Bay (DE-588)4495321-5 g Ökosystem (DE-588)4043216-6 s Geschichte 1820-1992 z GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007740030&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Delos Reyes, Mario R. Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 Aquatisches Ökosystem (DE-588)4293663-9 gnd Ökosystem (DE-588)4043216-6 gnd Geoökologie (DE-588)4137703-5 gnd |
| subject_GND | (DE-588)4293663-9 (DE-588)4043216-6 (DE-588)4137703-5 (DE-588)4045771-0 (DE-588)4495321-5 (DE-588)4113937-9 |
| title | Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 |
| title_auth | Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 |
| title_exact_search | Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 |
| title_full | Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 vorgelegt von Mario R. Delos Reyes |
| title_fullStr | Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 vorgelegt von Mario R. Delos Reyes |
| title_full_unstemmed | Geoecology of Laguna de Bay, Philippines long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 vorgelegt von Mario R. Delos Reyes |
| title_short | Geoecology of Laguna de Bay, Philippines |
| title_sort | geoecology of laguna de bay philippines long term alterations of a tropical aquatic ecosystem 1820 1992 |
| title_sub | long-term alterations of a tropical-aquatic ecosystem 1820 - 1992 |
| topic | Aquatisches Ökosystem (DE-588)4293663-9 gnd Ökosystem (DE-588)4043216-6 gnd Geoökologie (DE-588)4137703-5 gnd |
| topic_facet | Aquatisches Ökosystem Ökosystem Geoökologie Philippinen Laguna de Bay Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007740030&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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