Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Freiburg
Fakultät für Forst- und Umweltwissenschaften der Albert-Ludwig-Univ.
2010
|
| Schriftenreihe: | Freiburger forstliche Forschung
Schriftenreihe ; 47 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Literaturangaben. - Zsfassung in dt. und franz. Sprache |
| Beschreibung: | X, 197 S. graph. Darst., Kt. 24 cm |
| ISBN: | 9783933548481 |
Internformat
MARC
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| 100 | 1 | |a Nzogang, André |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon |c André Nzogang |
| 264 | 1 | |a Freiburg |b Fakultät für Forst- und Umweltwissenschaften der Albert-Ludwig-Univ. |c 2010 | |
| 300 | |a X, 197 S. |b graph. Darst., Kt. |c 24 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Freiburger forstliche Forschung : Schriftenreihe |v 47 | |
| 500 | |a Literaturangaben. - Zsfassung in dt. und franz. Sprache | ||
| 502 | |a Zugl.: Freiburg, Univ., Diss., 2010 | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | CONTENTS
VII
CONTENTS
DEDICATION
.................................................................................
YY
.......................................
I
ACKNOWLEDGEMENTS
..............................................................................................................
III
1
GENERAL
INTRODUCTION
.......................................................................................
1
1.1
CAUSES
OF
TROPICAL
FOREST
DEGRADATION
AND
DEFORESTATION
................................
2
1.2
EFFORTS
TOWARDS
THE
SUSTAINABLE
MANAGEMENT
OF
TROPICAL
RAINFORESTS
..........
3
1.3
CHARACTERISTICS
OF
POLYCYCLIC
AND
MONOCYCLIC
TIMBER
HARVESTING
SYSTEMS...
5
1.4
SHORTCOMINGS
OF
THE
POLYCYCLIC
TIMBER
HARVESTING
SYSTEM
IN
CAMEROON....
7
1.5
IMPORTANCE
OF
THE
STUDY
........................................................................................
8
1.6
OBJECTIVES
OF
THE
STUDY
..........................................................................................
9
1.6.1
GENERAL
OBJECTIVE
.........................................................................................
9
1.6.2
SPECIFIC
OBJECTIVES
......................................................................................
9
2
RESEARCH
AREA
.....................................................................................................
10
2.1
LOCATION
AND
BOUNDARIES
OF
THE
RESEARCH
AREA
.................................................
10
2.2
SOILS
AND
TOPOGRAPHY
.............................................................................................
13
2.3
CLIMATE
OF
THE
STUDY
AREA
.....................................................................................
13
2.4
TYPE
AND
STRUCTURE
OF
THE
NATURAL
FOREST
...........................................................
14
3
TESTING
A
NEW
SAMPLING-BASED
INVENTORY
METHOD
FOR
THE
ANALYSIS
OF
TREE
SPECIES
DIVERSITY
AND
STAND
STRUCTURE
IN
TROPICAL
RAINFORESTS
................................................
17
3.1
INTRODUCTION
............................................................................................................
17
3.1.1
BACKGROUND
AND
PROBLEM
STATEMENT
..........................................................
17
3.1.2
RESEARCH
OBJECTIVES
....................................................................................
21
3.2
METHODS
...................................................................................................................
21
3.2.1
FIELD
METHODS
..............................................................................................
21
3.2.2
SIMULATION
OF
SIX
SAMPLING
INTENSITIES
OF
THE
VARIABLE
AREA
SAMPLING....
22
3.2.3
DATA
ANALYSIS
................................................................................................
23
3.3
RESULTS
.....................................................................................................................
26
3.3.1
ESTIMATES
OF
TREE
POPULATION
ATTRIBUTES
....................................................
26
3.3.1.1
MEAN
TREE
DENSITY
AND
BASAL
AREA
PER
SAMPLE
PLOT
.......................
26
3.3.1.2
REGRESSION
BETWEEN
MEAN
ESTIMATES
OF
TREE
POPULATION
ATTRIBUTES
.........................................................................................
28
3.3.1.3
ACCURACY
AND
EFFICIENCY
OF
THE
SAMPLING
METHODS
.....................
31
3.3.1.4
IMPACT
OF
THE
SAMPLE
SIZE
ON
THE
ACCURACY
OF
TREE
POPULATION
ATTRIBUTES
.........................................................................................
32
3.3.2
REGROWTH
DENSITY
ESTIMATES
.......................................................................
35
3.3.2.1
REGROWTH
DENSITY
PER
SAMPLE
UNIT
.................................................
35
3.3.2.2
REGRESSION
BETWEEN
THE
MEAN
ESTIMATE
OF
THE
REGROWTH
DENSITY
37
3.3.2.3
ACCURACY
AND
EFFICIENCY
OFTHE
SAMPLING
METHODS
......................
39
2.3.2.4
IMPACT
OF
SAMPLE
SIZE
ON
REGROWTH
DENSITY
ESTIMATES
.................
40
3.3.3
COMPARISON
OF
THE
ACCURACV
OF
THE
DIFFERENT
SAMPLING
METHODS
.............42
3.3.3.1
MEAN
BIASES
OF
THE
ESTIMATES
ACCORDING
TO
THE
SAMPLING
INTENSITY
..........................................................................................
42
3.3.3.2
COMPARISON
OF
THE
LEVELS
OF
PRECISION
OF
THE
OVERALL
STAND
ATTRIBUTE
ESTIMATES
..........................................................................
43
VIII
CONTENTS
3.4
DISCUSSION
...................................................................................................................
44
3.4.1
ACCURACY
OFTHE
SAMPLING
METHODS
...............................................................
44
3.4.2
SAMPLING
AREA
EFFICIENCY
................................................................................
45
3.4.3
REQUISITE
FOR
THE
APPROPRIATENESS
OF
A
VARIABLE
AREA
SAMPLING
METHOD...
46
3.5
CONCLUSION
..................................................................................................................
47
4
GAP
DYNAMICS
OF
COMMERCIAL
TREE
SPECIES
IN
TROPICAL
RAINFORESTS
AFTER
SELECTIVE
LOGGING
IN
SOUTHEAST
CAMEROON
................................................................................................................48
4.1
INTRODUCTION
...............................................................................................................
48
4.1.1
BACKGROUND
AND
PROBLEM
STATEMENT
..............................................................48
4.1.1.1
ECOLOGICAL
CHALLENGES
OF
SUSTAINED
TIMBER
YIELD
IN
TROPICAL
RAINFORESTS
...........................................................................................
48
4.1.1.2
APPROACHES
TO
THE
STUDY
OF
STAND
DYNAMICS
IN
TROPICAL
RAINFORESTS
...........................................................................................
50
4.1.1.3
ADVANTAGES
OF
THE
RETROSPECTIVE
APPROACH
FOR
STAND
DYNAMICS
ASSESSMENTS
........................................................................................
51
4.1.1.4
ROLE
OF
GAP
DISTURBANCE
IN
THE
STAND
DYNAMICS
OF
TROPICAL
RAINFOREST
.............................................................................................
51
4.1.1.5
NEED
FOR
A
DIFFERENT
APPROACH
TO
THE
STUDY
OF
GAP
DYNAMICS
.....
52
4.1.2
RESEARCH
OBJECTIVES
AND
HYPOTHESES
.............................................................
53
4.1.2.1
STUDY
OBJECTIVES
.................................................................................
53
4.1.2.2
RESEARCH
HYPOTHESES
..........................................................................
53
4.2
MATERIALS
AND
METHODS
.............................................................................................
54
4.2.1
SELECTION
AND
SAMPLE
PLOTS
ESTABLISHMENT
...................................................
54
4.2.2
DATA
COLLECTION
................................................................................................
56
4.2.3
DATA
ANALYSIS
...................................................................................................
56
4.3
RESULTS
.........................................................................................................................
58
4.3.1
EFFECT
OF
TIME
SINCE
LOGGING
AND
DISTURBANCE
INTENSITY
ON
THE
POPULATION
DENSITIES
........................................................................................
58
4.3.1.1
ALL
DIAMETER
CLASSES
...........................................................................
58
4.3.1.2
LARGE
TREES
(DBH
40
CM)
..............................................................60
4.3.1.3
ADOLESCENT
TREES
(10
DBH
40
CM)
.............................................
61
4.3.1.4
POLES
(2
DBH
10
CM)
.................................................................
63
4.3.1.5
SAPLING
(HEIGHTS
1
M
&
DBH
2
CM)
...........................................
64
4.3.2
EFFECT
OF
TIME
SINCE
LOGGING
AND
DISTURBANCE
INTENSITY
ON
THE
BASAL
AREA
65
4.3.2.1
ALL
DIAMETER
CLASSES
...........................................................................
65
4.3.2.2
LARGE
TREES
(DBH
40
CM)
..............................................................
67
4.3.2.3
ADOLESCENT
TREES
(10
DBH
40
CM)
.............................................
69
4.3.2.4
POLES
(2
DBH
10
CM)
.................................................................
70
4.3.3
EFFECT
OF
TIME
SINCE
LOGGING
AND
DISTURBANCE
INTENSITY
ON
THE
DIAMETER
DISTRIBUTION
............................................................................................
72
4.3.4
EFFECT
OF
TIME
SINCE
LOGGING
AND
DISTURBANCE
INTENSITY
ON
THE
STAND
RICHNESS
IN
COMMERCIAL
TIMBER
SPECIES
...............................................
74
4.3.5
EFFECT
OF
TIME
SINCE
LOGGING
AND
DISTURBANCE
INTENSITY
ON
THE
OCCURRENCE
OF
COMMERCIAL
TIMBER
SPECIES
....................................................
76
4.3.5.1
COMMERCIAL
SPECIES
COMPOSITION
OFTHE
STANDS
...............................
76
4.3.5.2
SPECIES
ABUNDANCE
.............................................................................
79
4.3.5.3
SPECIES
FREQUENCY
..............................................................................
82
CONTENTS
IX
4.3.5.4
SPECIES
COVER
ABUNDANCE
(SPECIES
INDICATOR
VALUES)
.......................
84
4.3.5.5
SPECIES
RELATIVE
DOMINANCE
...............................................................
87
4.4
DISCUSSION
....................................................................................................................
89
4.4.1
POPULATION
DENSITY
...........................................................................................
90
4.4.2
POPULATION
BASAL
AREA
......................................................................................
92
4.4.3
SPECIES
COMPOSITION
AND
COMMERCIAL
SPECIES
RICHNESS
...............................
93
4.4.4
COMPARISON
OF
SPECIES
ABUNDANCE,
DOMINANCE
AND
FREQUENCY
...............
95
4.4.5
IMPORTANCE
OF
THE
TWO
FACTORS
IN
EXPLAINING
THE
VARIATION
IN
POPULATION
ATTRIBUTES
AND
INTERACTING
EFFECTS
.......................................................
98
4.4.6
COMPARISON
OF
THE
RE-ESTABLISHMENT
RATES
OF
CERTAIN
POPULATION
ATTRIBUTES
......................................................................................................
99
4.4.7
SILVICULTURAL
IMPLICATIONS
..............................................................................
101
4.4.8
LIMITATIONS
.......................................................................................................
102
4.5
CONCLUSION
...................................................................................................................
103
5
DIAMETER
GROWTH
OF
FIVE
COMMERCIAL
TREE
SPECIES
IN
A
LOWLAND
TROPICAL
RAINFOREST
IN
SOUTHEAST
CAMEROON...
105
5.1
INTRODUCTION
................................................................................................................
105
5.1.1
BACKGROUND
AND
PROBLEM
STATEMENT
..............................................................
105
5.1.1.1
IMPORTANCE
AND
CHALLENGES
OF
GROWING
STOCK
ESTIMATION
FOR
SUSTAINABLE
TIMBER
YIELDS
...................................................................
105
5.1.1.2
SHORTCOMINGS
OF
INDIRECT
METHODS
OF
TREE
GROWTH
ASSESSMENT
IN
TROPICAL
FORESTS
....................................................................................
106
5.1.1.3
APPLICATION
AND
ADVANTAGES
OF
DENDROCHRONOLOGICAL
METHODS
FOR
GROWING
STOCK
ASSESSMENT
IN
TROPICAL
FORESTS
..............................
107
5.1.2
RESEARCH
OBJECTIVES
AND
HYPOTHESIS
...............................................................
109
5.2
MATERIALS
AND
METHODS
.............................................................................................
109
5.2.1
MATERIAL
SELECTION
AND
PREPARATION
.................................................................
109
5.2.1.1
CLIMATE
DATA
COLLECTION
......................................................................
109
5.2.1.2
SELECTION
OF
TIMBER
SPECIES
................................................................
110
5.2.1.3
WOOD
SAMPLE
COLLECTION
....................................................................
110
5.2.1.4
WOOD
SAMPLE
PREPARATION
..................................................................
111
5.2.2
TREE
RINGS
AND
DATA
ANALVSIS
...........................................................................
112
5.2.2.1
IDENTIFICATION
AND
DEMARCATION
OF
TREE
RINGS
....................................
112
5.2.2.2
MEASUREMENT
AND
COUNTING
OF
TREE
RINGS...
......................................
114
5.2.2.3
CROSSDATING
.........................................................................................
114
5.2.2.4
DETERMINATION
OF
DBH,
TREE
AGE
AND
DERIVED
STEM
GROWTH
PARAMETERS
...........................................................................................
115
5.2.2.5
DETERMINATION
OF
TRANSITION
TIMES
OF
THE
VIRTUAL
AVERAGE
TREE
OF
EACH
TIMBER
SPECIES
........................................................................
116
5.2.2.6
IDENTIFICATION
OF
POSSIBLE
PERIODS
OF
RELEASE
....................................
116
5.2.2.7
COMPARISON
OF
GROWTH
PERFORMANCES
...........................................
116
5.3
RESULTS
.........................................................................................................................
117
5.3.1
ANATOMICAL
FEATURES
OF
TREE
RINGS
OF
THE
FIVE
SELECTED
TIMBER
SPECIES....
117
5.3.2
GLEICHLAUFIGKEIT
OR
COINCIDENCE
COEFFICIENTS
................................................
118
5.3.2.1
GLEICHLAUFIGKEIT
BETWEEN
RING-WIDTH
SERIES
OF
THE
SAME
TREE
SPECIES
.................................................................................................
118
5.3.2.2
GLEICHLAUFIGKEIT
BETWEEN
THE
RING-WIDTH
CHRONOLOGY
OF
EACH
SPECIES
AND
RAINFALL
SERIES
..................................................................
118
X
CONTENTS
5.3.3
ANNUAL
PERIODICITY
OF
TREE
RINGS
AND
TREE
AGE
................................................
120
5.3.4
STERN
GROWTH
AND
TREE
AGES
OF
TIMBER
SPECIES
IN
UNLOGGED
STAND
.............
120
5.3.4.1
STEM
GROWTH
AND
AGES
........................................................................
120
5.3.4.2
COMPARISON
OF
AVERAGE
DBH
AND
INCREMENT
CURVES
OF
THE
FIVE
TIMBER
SPECIES
.....................................................................................
126
5.3.4.3
EXISTENCE
OF
RELEASE
...........................................................................
128
5.3.5
AGES
AND
STEM
DIAMETER
GROWTH
OF
HARVESTED
TREES
.....................................
128
5.3.6
TRANSITION
TIMES
OF
THE
VARIOUS
DIAMETER
CLASSES
.........................................
129
5.3.7
COMPARISON
OF
STEM
GROWTH
BEFORE
AND
AFTER
DISTURBANCES
........................
130
5.3.7.1
ERYTROPHLEUM
IVORENSE
(TALI)
............................................................
131
5.3.7.2
MILICIA
EXCELSA
(IROKO)
.......................................................................
131
5.3.7.3
ENTANDROPHRAGMA
CYLINDRICUM
(SAPELLI)
.........................................
133
5.4
DISCUSSION
....................................................................................................................
133
5.4.1
VARIABILITY
IN
STEM
GROWTH
WITHIN
AND
AMONG
THE
TIMBER
SPECIES
...........
133
5.4.2
TREE
AGES
AND
GROWTH
RATES
OBTAINED
IN
OTHER
STUDIES
..................................
134
5.4.3
EFFECT
OF
LOGGING
GAPS
ON
STEM
DIAMETER
GROWTH
AND
IMPLICATIONS
ON
CUTTING
CYCLE
FOR
SUSTAINED
TIMBER
YIELDS
......................................................
136
5.4.4
DISCREPANCY
BETWEEN
REAL
STEM
GROWTH
ESTIMATES
AND
OFFICIAL
HARVESTING
REGULATIONS
IN
CAMEROON
..............................................................
136
5.4.5
LIMITATIONS
OFTHE
STUDY
..................................................................................
138
5.5
CONCLUSION
..................................................................................................................
139
6
GENERAL
DISCUSSION
..............................................................................................
141
6.1
OVERVIEW
OF
THE
RESULTS
.............................................................................................
141
6.2
REVISITING
THE
HYPOTHESES
.........................................................................................
143
6.3
IMPLICATIONS
FOR
FUTURE
SILVICULTURAL
OPERATIONS
AND
THE
SUSTAINABILITY
OF
TIMBER
YIELDS
IN
TROPICAL
RAINFORESTS
................................................................
145
6.4
LIMITATIONS
OF
THE
STUDY
AND
FUTURE
CHALLENGES
....................................................
147
7
GENERAL
CONCLUSION
AND
SUGGESTIONS
..................................................
148
8
SUMMARY,
ZUSAMMENFASSUNG,
RESUME
....................................................
150
8.1
SUMMARY
.....................................................................................................................
150
8.2
ZUSAMMENFASSUNG
.....................................................................................................
153
8.3
RESUME
........................................................................................................................
156
9
LIST
OF
REFERENCES
................................................................................................
159
10
LIST
OF
TABLES
........................................................................................................
175
11
LIST
OF
FIGURES
......................................................................................................
178
12
APPENDICES
.................................................................................................................
182
12.1
FULL
LIST
OF
COMMERCIAL
TREE
SPECIES
AND
THEIR
OCCURRENCE
................................
182
12.2
DEVELOPMENT
OF
DBH
WITH
TREE
AGE
OF
INDIVIDUAL
STEMS
OF
ENTANDROPHRAGMA
UTILE
AND
ENTANDROPHRAGMA
CANDOLLEI
AND
THEIR
AVERAGE
GROWTH
CURVES
190
12.3
COMPARISON
OF
STEM
GROWTH
BEFORE
AND
AFTER
GAP
CREATION
.............................
191
|
| any_adam_object | 1 |
| author | Nzogang, André |
| author_facet | Nzogang, André |
| author_role | aut |
| author_sort | Nzogang, André |
| author_variant | a n an |
| building | Verbundindex |
| bvnumber | BV037273077 |
| classification_tum | FOR 230d GEO 275d FOR 520d |
| ctrlnum | (OCoLC)711855798 (DE-599)DNB1010320920 |
| dewey-full | 634.950915206711 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 634 - Orchards, fruits, forestry |
| dewey-raw | 634.950915206711 |
| dewey-search | 634.950915206711 |
| dewey-sort | 3634.950915206711 |
| dewey-tens | 630 - Agriculture and related technologies |
| discipline | Geowissenschaften Forstwissenschaft Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| geographic | Kamerun Südost (DE-588)4554986-2 gnd |
| geographic_facet | Kamerun Südost |
| id | DE-604.BV037273077 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T22:54:58Z |
| institution | BVB |
| isbn | 9783933548481 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-021186016 |
| oclc_num | 711855798 |
| open_access_boolean | |
| owner | DE-12 DE-1028 DE-Eb1 DE-M49 DE-BY-TUM |
| owner_facet | DE-12 DE-1028 DE-Eb1 DE-M49 DE-BY-TUM |
| physical | X, 197 S. graph. Darst., Kt. 24 cm |
| publishDate | 2010 |
| publishDateSearch | 2010 |
| publishDateSort | 2010 |
| publisher | Fakultät für Forst- und Umweltwissenschaften der Albert-Ludwig-Univ. |
| record_format | marc |
| series | Freiburger forstliche Forschung |
| series2 | Freiburger forstliche Forschung : Schriftenreihe |
| spelling | Nzogang, André Verfasser aut Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon André Nzogang Freiburg Fakultät für Forst- und Umweltwissenschaften der Albert-Ludwig-Univ. 2010 X, 197 S. graph. Darst., Kt. 24 cm txt rdacontent n rdamedia nc rdacarrier Freiburger forstliche Forschung : Schriftenreihe 47 Literaturangaben. - Zsfassung in dt. und franz. Sprache Zugl.: Freiburg, Univ., Diss., 2010 Waldinventur (DE-588)4064394-3 gnd rswk-swf Plantage (DE-588)4136213-5 gnd rswk-swf Rodung (DE-588)4178274-4 gnd rswk-swf Natürliche Verjüngung (DE-588)4242476-8 gnd rswk-swf Tropischer Regenwald (DE-588)4061016-0 gnd rswk-swf Kamerun Südost (DE-588)4554986-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Kamerun Südost (DE-588)4554986-2 g Tropischer Regenwald (DE-588)4061016-0 s Rodung (DE-588)4178274-4 s Natürliche Verjüngung (DE-588)4242476-8 s Plantage (DE-588)4136213-5 s Waldinventur (DE-588)4064394-3 s b DE-604 Freiburger forstliche Forschung Schriftenreihe ; 47 (DE-604)BV035363695 47 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021186016&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Nzogang, André Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon Freiburger forstliche Forschung Waldinventur (DE-588)4064394-3 gnd Plantage (DE-588)4136213-5 gnd Rodung (DE-588)4178274-4 gnd Natürliche Verjüngung (DE-588)4242476-8 gnd Tropischer Regenwald (DE-588)4061016-0 gnd |
| subject_GND | (DE-588)4064394-3 (DE-588)4136213-5 (DE-588)4178274-4 (DE-588)4242476-8 (DE-588)4061016-0 (DE-588)4554986-2 (DE-588)4113937-9 |
| title | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon |
| title_auth | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon |
| title_exact_search | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon |
| title_full | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon André Nzogang |
| title_fullStr | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon André Nzogang |
| title_full_unstemmed | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon André Nzogang |
| title_short | Natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast Cameroon |
| title_sort | natural regeneration and growth of commercial tree species following logging of tropical rainforests in southheast cameroon |
| topic | Waldinventur (DE-588)4064394-3 gnd Plantage (DE-588)4136213-5 gnd Rodung (DE-588)4178274-4 gnd Natürliche Verjüngung (DE-588)4242476-8 gnd Tropischer Regenwald (DE-588)4061016-0 gnd |
| topic_facet | Waldinventur Plantage Rodung Natürliche Verjüngung Tropischer Regenwald Kamerun Südost Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021186016&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035363695 |
| work_keys_str_mv | AT nzogangandre naturalregenerationandgrowthofcommercialtreespeciesfollowingloggingoftropicalrainforestsinsouthheastcameroon |