Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1016/j.foreco.2017.09.042 |
Lack of evidence of edge age and additive edge effects on carbon stocks in a tropical forest | |
d&1; 39;Albertas, Francisco2 | |
2018 | |
发表期刊 | FOREST ECOLOGY AND MANAGEMENT
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ISSN | 0378-1127 |
EISSN | 1872-7042 |
出版年 | 2018 |
卷号 | 407页码:57-65 |
文章类型 | Article |
语种 | 英语 |
国家 | Brazil; Spain |
英文摘要 | Despite the importance of tropical forest fragmentation on carbon balance, most of our knowledge comes from few sites in the Amazon and disregard long-term underlying processes related to landscape configuration. Accurate estimation of fragmentation effects should account for additive edge effects and edge age. Here we investigated those effects on C stock and forest structure (density, height, basal area) in fragments (13 to 362 ha) of forest with >= 70 years old, surrounded by pasture, in the Brazilian Atlantic forest region. We measured 5297 stems sampled in four categories replicated in eight fragments: fragment interiors (> 110 m from edges); old (> 50 years) corner edges (< 50 m); old straight edges; and new (ca. 44 years) straight edges. Aboveground biomass was estimated from tree height and diameter at breast height, and converted to carbon. Carbon stock was highly variable between categories, scoring from 10.44 Mg ha(-1) up to 107.59 Mg ha(-1) (average of 41.27 +/- 23 Mg ha(-1)). Contrary to our expectations, interior plots did not have higher carbon stock, basal area or tree stem density than edges, but only taller trees. We found no significant effects of edge age or additive edge effects on carbon stocks. These results suggest that edge effects in the Atlantic rainforest may differ from those observed in more recently fragmented tropical forests, such as the Amazonian forest. We hypothesize that in heavily human-modified landscapes, more extensive edge effects combined with other human disturbances on tree mortality and carbon stock may contribute to overall high levels of degradation, reducing differences between edge and interior habitats. Existing models based on Amazonian forest data may underestimate the true impacts of fragmentation on carbon storage in landscapes with an old history of human disturbance. |
英文关键词 | Ecosystem services Climate regulation REDD Tropical forest restoration Human disturbance |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000418214300008 |
WOS关键词 | BRAZILIAN ATLANTIC FOREST ; SEASONAL SEMIDECIDUOUS FOREST ; RAIN-FOREST ; FRAGMENTED LANDSCAPES ; SECONDARY FORESTS ; BIOMASS ; CONSERVATION ; TREES ; BIODIVERSITY ; ECOSYSTEM |
WOS类目 | Forestry |
WOS研究方向 | Forestry |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/23747 |
专题 | 气候变化 |
作者单位 | 1.Univ Sao Paulo, Lab Ecol Paisagem & Conservacao, Dept Ecol, Inst Biociencias, Rua Matao 321,Travessa 14, BR-05508900 Sao Paulo, SP, Brazil; 2.Miguel Hernandez Univ, Dept Appl Biol, Elche, Spain; 3.Univ Estadual Campinas, UNICAMP, Nucleo Estudos & Pesquisas Ambientais NEPAM, Rua Flamboyants,155 Cidade Univ, Campinas, SP, Brazil |
推荐引用方式 GB/T 7714 | d&,39;Albertas, Francisco. Lack of evidence of edge age and additive edge effects on carbon stocks in a tropical forest[J]. FOREST ECOLOGY AND MANAGEMENT,2018,407:57-65. |
APA | d&,&39;Albertas, Francisco.(2018).Lack of evidence of edge age and additive edge effects on carbon stocks in a tropical forest.FOREST ECOLOGY AND MANAGEMENT,407,57-65. |
MLA | d&,et al."Lack of evidence of edge age and additive edge effects on carbon stocks in a tropical forest".FOREST ECOLOGY AND MANAGEMENT 407(2018):57-65. |
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