Abstract
Astiani D. 2016. Tropical peatland tree-species diversity altered by forest degradation. Biodiversitas 17: 102-109. Indonesianexperienced relatively high deforestation and degradation. The forests degradation could bring the forests into a temporary or might bepermanent destruction not only in forest vegetation density and structure, but also in species composition. A study had been carried outto examined the impact of peatland forests degradation on their species diversity composition in Ketapang, West Kalimantan peatlandforest. Stratified random sampling was used to distinguished forest degradation class (low, intermediate and high degradation levels)Â based on the differences in spectra image and confirmed with field checking by measuring forest canopy opening to measure thedegradation levels. Six to twelve of a 20x100m plots were established to sample tree structure and composition distributed alongpeatland landscape. All trees species diameter >5cm was registered an species identified. Results indicated that tree diversity wassignificantly reduce due to forest degradation, in low, intermediate, and high degraded forest were 82, 72, and 48 consecutively. Forestdegradation is not only resulted more than 50% of important species loss in high degraded peatland forest but also reducing ~40% treeabundance. Ten species were found in high degraded forest, e.g., Calophylum inophyllum, Cyathocalyx biovulatus, Neoscortechiniakingii, and Eugenia cerina, were not present in low degraded one. The species composition and abundance shifting due to forestdegradation should be considered on peatland forest management to hinder permanent species loss.
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Claims 7
Claim · model-written summary
Tree diversity was significantly reduced by forest degradation; it was 82 in the low degradation class of peatland forest in Ketapang, West Kalimantan.
- Taxon
- treee0
- Treatment
- forest degradatione0
- Outcome
- tree diversitye0
- Direction
- reducee0
- Value
- 82e0
- Qualifier
- lowe0
- Setting
- Ketapang, West Kalimantane1
Not reportedComparator
Verbatim
e0“tree diversity wassignificantly reduce due to forest degradation, in low, intermediate, and high degraded forest were 82, 72, and 48 consecutively”
e1“Ketapang, West Kalimantan peatlandforest”
Claim · model-written summary
Tree diversity was significantly reduced by forest degradation; it was 72 in the intermediate degradation class of peatland forest in Ketapang, West Kalimantan.
- Taxon
- treee0
- Treatment
- forest degradatione0
- Outcome
- tree diversitye0
- Direction
- reducee0
- Value
- 72e0
- Qualifier
- intermediatee0
- Setting
- Ketapang, West Kalimantane1
Not reportedComparator
Verbatim
e0“tree diversity wassignificantly reduce due to forest degradation, in low, intermediate, and high degraded forest were 82, 72, and 48 consecutively”
e1“Ketapang, West Kalimantan peatlandforest”
Claim · model-written summary
Tree diversity was significantly reduced by forest degradation; it was 48 in the high degradation class of peatland forest in Ketapang, West Kalimantan.
- Taxon
- treee0
- Treatment
- forest degradatione0
- Outcome
- tree diversitye0
- Direction
- reducee0
- Value
- 48e0
- Qualifier
- highe0
- Setting
- Ketapang, West Kalimantane1
Not reportedComparator
Verbatim
e0“tree diversity wassignificantly reduce due to forest degradation, in low, intermediate, and high degraded forest were 82, 72, and 48 consecutively”
e1“Ketapang, West Kalimantan peatlandforest”
Claim · model-written summary
Forest degradation caused more than 50% loss of important species in highly degraded peatland forest.
- Taxon
- tree-speciest0
- Treatment
- Forestdegradatione0
- Outcome
- important species losse0
- Direction
- more than 50%e0
- Value
- more than 50%e0
- Qualifier
- high degraded peatland foreste0
Not reportedComparator
Verbatim
t0“tree-species”
e0“Forestdegradation is not only resulted more than 50% of important species loss in high degraded peatland forest but also reducing ~40% treeabundance”
Claim · model-written summary
Forest degradation reduced tree abundance by about 40%.
Not reportedComparator
Verbatim
t0“tree-species”
e0“Forestdegradation is not only resulted more than 50% of important species loss in high degraded peatland forest but also reducing ~40% treeabundance”
Claim · model-written summary
Ten species found in highly degraded forest, including Calophylum inophyllum, Cyathocalyx biovulatus, Neoscortechinia kingii and Eugenia cerina, were not present in low degraded forest.
- Taxon
- Calophylum inophyllum, Cyathocalyx biovulatus, Neoscortechiniakingii, and Eugenia cerinae0
- Outcome
- were not present in low degraded onee0
Not reportedDirection
Verbatim
e0“Ten species were found in high degraded forest, e.g., Calophylum inophyllum, Cyathocalyx biovulatus, Neoscortechiniakingii, and Eugenia cerina, were not present in low degraded one”
Claim · model-written summary
The authors recommend that species composition and abundance shifts due to forest degradation be considered in peatland forest management to prevent permanent species loss.
Verbatim
t0“tree-species”
e0“The species composition and abundance shifting due to forest degradation should be considered on peatland forest management to hinder permanent species loss”