Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
München
Hieronymus
2001
|
| Ausgabe: | Als Typoskr. gedr. |
| Schriftenreihe: | Forstwissenschaft
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | X, 192 S. Ill., graph. Darst., Kt. |
| ISBN: | 389791235X |
Internformat
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV014160986 | ||
| 003 | DE-604 | ||
| 005 | 20110818 | ||
| 007 | t | ||
| 008 | 020219s2001 gw abd| m||| 00||| eng d | ||
| 016 | 7 | |a 963568639 |2 DE-101 | |
| 020 | |a 389791235X |9 3-89791-235-X | ||
| 035 | |a (OCoLC)50457534 | ||
| 035 | |a (DE-599)BVBBV014160986 | ||
| 040 | |a DE-604 |b ger |e rakddb | ||
| 041 | 0 | |a eng | |
| 044 | |a gw |c DE | ||
| 049 | |a DE-12 |a DE-91 |a DE-M49 |a DE-19 |a DE-703 |a DE-83 | ||
| 084 | |a RS 45684 |0 (DE-625)142477:12822 |2 rvk | ||
| 084 | |a FOR 250d |2 stub | ||
| 084 | |a GEO 275d |2 stub | ||
| 084 | |a FOR 610d |2 stub | ||
| 100 | 1 | |a Onyekwelu, Jonathan Chukwujekwu |d 1967- |e Verfasser |0 (DE-588)12375660X |4 aut | |
| 245 | 1 | 0 | |a Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria |c Jonathan Chukwujekwu Onyekwelu |
| 250 | |a Als Typoskr. gedr. | ||
| 264 | 1 | |a München |b Hieronymus |c 2001 | |
| 300 | |a X, 192 S. |b Ill., graph. Darst., Kt. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Forstwissenschaft | |
| 502 | |a Zugl.: München, Techn. Univ., Diss., 2001 | ||
| 650 | 7 | |a Hochschulschrift |2 gtt | |
| 650 | 0 | 7 | |a Gmelina arborea |0 (DE-588)4157766-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Plantage |0 (DE-588)4136213-5 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Forstliche Planung |0 (DE-588)4511739-1 |2 gnd |9 rswk-swf |
| 651 | 7 | |a Nigeria |z Südwest |0 (DE-588)4215147-8 |2 gnd |9 rswk-swf | |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 655 | 7 | |a Nauclea diderrichii |2 gnd |9 rswk-swf | |
| 689 | 0 | 0 | |a Nigeria |z Südwest |0 (DE-588)4215147-8 |D g |
| 689 | 0 | 1 | |a Gmelina arborea |0 (DE-588)4157766-8 |D s |
| 689 | 0 | 2 | |a Plantage |0 (DE-588)4136213-5 |D s |
| 689 | 0 | 3 | |a Forstliche Planung |0 (DE-588)4511739-1 |D s |
| 689 | 0 | |5 DE-604 | |
| 689 | 1 | 0 | |a Nigeria |z Südwest |0 (DE-588)4215147-8 |D g |
| 689 | 1 | 1 | |a Nauclea diderrichii |A f |
| 689 | 1 | 2 | |a Plantage |0 (DE-588)4136213-5 |D s |
| 689 | 1 | 3 | |a Forstliche Planung |0 (DE-588)4511739-1 |D s |
| 689 | 1 | |5 DE-604 | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009706234&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-009706234 | |
Datensatz im Suchindex
| _version_ | 1808227233185136640 |
|---|---|
| adam_text |
TABLE
OF
CONTENTS
TABLE
OF
CONTENTS
ACKNOWLEDGEMENT
.
I
DEDICATION
.
III
TABLE
OF
CONTENTS
.
IV
LIST
OF
FIGURES
.
VII
LIST
OF
TABLES
.
X
1.0
INTRODUCTION
.
1
1.1
GENERAL
.
1
1.2
THE
PROBLEM
.
4
1.3
OBJECTIVES
OF
THE
STUDY
.
5
2.0
LITERATURE
REVIEW
.
6
2.1
DEFINITION
AND
IMPORTANCE
OF
FOREST
PLANTATIONS
.
6
2.2
DEVELOPMENT
OF
PLANTATION
FORESTRY
IN
NIGERIA
.
9
2.3.
THE
DOMINANT
EXOTIC
AND
INDIGENOUS
PLANTATION
SPECIES
IN
NIGERIA
.
13
2.3.1
GMELINA
ARBOREA
(ROXB)
.
13
2.3.11
THE
HISTORY
OF
GMELINA
ARBOREA
IN
NIGERIA
.
13
2.3.12
MORPHOLOGY,
SITE
CONDITIONS,
SILVICULTURE
AND
MANAGEMENT
.
14
2.3.2
NAUCLEA
DIDERRICHII
.
23
2.3.21
HISTORY
OF
NAUCLEA
DIDERRICHII
IN
NIGERIA
.
23
2.3.22
MORPHOLOGY,
SITE
CONDITIONS,
SILVICULTURE
AND
MANAGEMENT
.
24
3.0
METHODOLOGY
.
30
3.1
THE
STUDY
AREAS
.
30
3.1.1
LOCATION
.
31
3.1.2
CLIMATE
.
31
3.1.3
TOPOGRAPHY
AND
DRAINAGE
.
32
3.1.4
GEOLOGY
AND
SOIL
.
32
3.1.5
VEGETATION
.
33
3.1.6
PLANTATION
DEVELOPMENT
IN
THE
STUDY
AREAS
.
33
3.2.
DATA
COLLECTION
.
37
3.2.1
GROWTH
DATA
.
37
3.2.2.
ECONOMIC
(MARKET)
POTENTIAL
DATA
.
42
TABLE
OF
CONTENTS
3.3
STATISTICAL
ANALYSIS
.
42
3.4
MANAGEMENT
(THINNING)
SCENARIOS
.
49
4.0
RESULTS
.
56
4.1
GROWTH
CHARACTERISTICS
.
56
4.1.1
DEVELOPMENT
OF
NUMBER
OF
TREES
.
56
4.1.2
DIAMETER
AT
BREAST
HEIGHT
(DBH)
.
58
4.1.3
TOTAL
HEIGHT
.
68
4.1.4
SLENDERNESS
(HEIGHT
:
DIAMETER
(H/D))
RATIO
.
72
4.1.5
CROWN
HEIGHT
AND
CROWN
RATIO
.
77
4.1.6
STEM
TAPER
RATIO
.
81
4.1.7
DEVELOPMENT
OF
STAND
BASAL
AREA
.
83
4.1.8
VOLUME
.
84
4.1.9
SUMMARY
OF
RESULTS
OF
GROWTH
CHARACTERISTICS
.
89
4.2
ECONOMIC
(MARKET)
POTENTIALS
.
92
4.2.1
THE
WOOD
PROCESSING
INDUSTRIES
.
92
4.2.2
POPULARITY
OF
GMELINA
AND
NAUCLEA
.
93
4.2.3
SOURCE
OF
LOGS
.
93
4.2.4
SIZE
OF
LOGS
PROCESSED
IN
SAWMILLS
.
94
4.2.5
LOG
RECOVERY
RATE
.
96
4.2.6
PROCESSING
DIFFICULTIES
.
97
4.2.7
WOOD
PRODUCT
SIZES
.
97
4.2.8
PRICES
OF
WOOD
PRODUCTS
.
98
4.2.9
AVAILABILITY/DEMAND
OF
PRODUCTS
IN
WOOD
MARKETS
.
100
4.3
MANAGEMENT
SCENARIOS
BASED
ON
THE
RESULTS
OF
GROWTH
CHARACTERISTICS
AND
ECONOMIC
POTENTIALS
.
101
4.3.1
MANAGEMENT
OBJECTIVE
.
102
4.3.2
THE
OPTIMUM
ROTATION
AGE
.
102
4.3.3
TIMING
OF
THINNING
OPERATIONS
.
103
4.3.4
MANAGEMENT
(THINNING)
SCENARIOS
.
103
5.0
DISCUSSION
.
114
5.1
GROWTH
CHARACTERISTICS
.
114
5.1.1
STEM
BIFURCATION
(FORKING)
.
115
V
TABLE
OF
CONTENTS
5.1.2
DIFFERENTIATION
OF
TREES
INTO
CROWN
CLASSES
.
116
5.1.3
SURVIVAL
RATE
AND
STAND
DENSITY
.
118
5.1.4
DIAMETER
AT
BREAST
HEIGHT
(DBH)
.
119
5.1.5
TOTAL
HEIGHT
.
121
5.1.6
HEIGHT
:
DIAMETER
(H/D)
RATIO
.
123
5.1.7
CROWN
HEIGHT
AND
CROWN
RATIO
.
125
5.1.8
TAPER
RATIO
.
126
5.1.9
BASAL
AREA
.
127
5.1.10
VOLUME
.
128
5.2
ECONOMIC
(MARKET)
POTENTIALS
.
131
5.2.1
THE
WOOD
PROCESSING
INDUSTRIES
.
131
5.2.2
POPULARITY
OF
THE
PLANTATION
SPECIES
.
132
5.2.3
SOURCE
OF
LOGS
.
132
5.2.4
TIMBER
SIZES
AND
RECOVERY
RATE
.
133
5.2.5
AVAILABILITY
AND
DEMAND
OF
WOOD
PRODUCTS
.
134
5.2.6
PRICES
OF
WOOD
PRODUCTS
.
135
5.3
MANAGEMENT
SCENARIOS
.
136
5.3.1
MANAGEMENT
OBJECTIVE
.
137
5.3.2
ROTATION
AGE
.
137
5.3.3
DESIRABILITY
AND
TIMING
OF
THINNING
OPERATIONS
.
138
5.3.4
MANAGEMENT
(THINNING)
SCENARIOS
.
140
5.3.5
COMPARISON
OF
GMELINA
AND
NAUCLEA
.
145
5.3.6
REGENERATION
.
147
5.3.7
RECOMMENDATIONS
FOR
FUTURE
MANAGEMENT
OF
PLANTATIONS
OF
GMELINA
AND
NAUCLEA
.
149
6.0
SUMMARY/ZUSAMMENFASSUNG
.
157
7.0
REFERENCES
.
164
8.0
APPENDIXES
.
180
VI |
| any_adam_object | 1 |
| author | Onyekwelu, Jonathan Chukwujekwu 1967- |
| author_GND | (DE-588)12375660X |
| author_facet | Onyekwelu, Jonathan Chukwujekwu 1967- |
| author_role | aut |
| author_sort | Onyekwelu, Jonathan Chukwujekwu 1967- |
| author_variant | j c o jc jco |
| building | Verbundindex |
| bvnumber | BV014160986 |
| classification_rvk | RS 45684 |
| classification_tum | FOR 250d GEO 275d FOR 610d |
| ctrlnum | (OCoLC)50457534 (DE-599)BVBBV014160986 |
| discipline | Geowissenschaften Forstwissenschaft Geographie |
| edition | Als Typoskr. gedr. |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content Nauclea diderrichii gnd |
| genre_facet | Hochschulschrift Nauclea diderrichii |
| geographic | Nigeria Südwest (DE-588)4215147-8 gnd |
| geographic_facet | Nigeria Südwest |
| id | DE-604.BV014160986 |
| illustrated | Illustrated |
| indexdate | 2024-08-24T00:37:49Z |
| institution | BVB |
| isbn | 389791235X |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009706234 |
| oclc_num | 50457534 |
| open_access_boolean | |
| owner | DE-12 DE-91 DE-BY-TUM DE-M49 DE-BY-TUM DE-19 DE-BY-UBM DE-703 DE-83 |
| owner_facet | DE-12 DE-91 DE-BY-TUM DE-M49 DE-BY-TUM DE-19 DE-BY-UBM DE-703 DE-83 |
| physical | X, 192 S. Ill., graph. Darst., Kt. |
| publishDate | 2001 |
| publishDateSearch | 2001 |
| publishDateSort | 2001 |
| publisher | Hieronymus |
| record_format | marc |
| series2 | Forstwissenschaft |
| spelling | Onyekwelu, Jonathan Chukwujekwu 1967- Verfasser (DE-588)12375660X aut Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria Jonathan Chukwujekwu Onyekwelu Als Typoskr. gedr. München Hieronymus 2001 X, 192 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Forstwissenschaft Zugl.: München, Techn. Univ., Diss., 2001 Hochschulschrift gtt Gmelina arborea (DE-588)4157766-8 gnd rswk-swf Plantage (DE-588)4136213-5 gnd rswk-swf Forstliche Planung (DE-588)4511739-1 gnd rswk-swf Nigeria Südwest (DE-588)4215147-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Nauclea diderrichii gnd rswk-swf Nigeria Südwest (DE-588)4215147-8 g Gmelina arborea (DE-588)4157766-8 s Plantage (DE-588)4136213-5 s Forstliche Planung (DE-588)4511739-1 s DE-604 Nauclea diderrichii f DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009706234&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Onyekwelu, Jonathan Chukwujekwu 1967- Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria Hochschulschrift gtt Gmelina arborea (DE-588)4157766-8 gnd Plantage (DE-588)4136213-5 gnd Forstliche Planung (DE-588)4511739-1 gnd |
| subject_GND | (DE-588)4157766-8 (DE-588)4136213-5 (DE-588)4511739-1 (DE-588)4215147-8 (DE-588)4113937-9 |
| title | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria |
| title_auth | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria |
| title_exact_search | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria |
| title_full | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria Jonathan Chukwujekwu Onyekwelu |
| title_fullStr | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria Jonathan Chukwujekwu Onyekwelu |
| title_full_unstemmed | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria Jonathan Chukwujekwu Onyekwelu |
| title_short | Growth characteristics and management scenarios for plantation grown Gmelina arborea and Nauclea diderrichii in south-western Nigeria |
| title_sort | growth characteristics and management scenarios for plantation grown gmelina arborea and nauclea diderrichii in south western nigeria |
| topic | Hochschulschrift gtt Gmelina arborea (DE-588)4157766-8 gnd Plantage (DE-588)4136213-5 gnd Forstliche Planung (DE-588)4511739-1 gnd |
| topic_facet | Hochschulschrift Gmelina arborea Plantage Forstliche Planung Nigeria Südwest Nauclea diderrichii |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009706234&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT onyekwelujonathanchukwujekwu growthcharacteristicsandmanagementscenariosforplantationgrowngmelinaarboreaandnaucleadiderrichiiinsouthwesternnigeria |