GSTDTAP  > 气候变化
DOI10.1016/j.foreco.2017.06.020
Ecosystem engineering by Fascicularia bicolor in the canopy of the South-American temperate rainforest
Ortega-Solis, Gabriel1,3; Diaz, Ivan2; Mellado-Mansilla, Daniela2; Tello, Francisco3; Moreno, Ricardo4; Tejo, Camila5,6
2017-09-15
发表期刊FOREST ECOLOGY AND MANAGEMENT
ISSN0378-1127
EISSN1872-7042
出版年2017
卷号400
文章类型Article
语种英语
国家Chile; Germany
英文摘要

Ecosystem engineers are organisms that modify habitats and resource flows, they therefore could have a disproportionate impact on the diversity of ecological communities. Evidence suggests that trash basket epiphytes (TBE) can be considered ecosystem engineers of forest canopies, due to their relationship with arboreal soil availability and treetop communities. Here we evaluated whether the TBE Fascicularia bicolor (Bromeliaceae), modulates temperature and humidity in the forest canopy. We also investigated if this bromeliad is related with greater arboreal soil accumulation and is associated to higher diversity of other epiphytic plants and invertebrates in the canopy of the South-American temperate rainforest (SATR), in Chile. We measured temperature and humidity in ten trees within the forest before and after the experimental addition of F. bicolor. We also related the presence of F. bicolor with occurrence of soil macro fauna and other canopy dwelling plants in a comparative field survey.


Temperature variability in the canopy was reduced by F. bicolor. Soil availability was higher in sites with mats of F. bicolor. The richness of vascular epiphytes was unaltered by the presence of F. bicolor, but species composition differed between sites with and without mats on each tree. At the group level, the cover of lichens and bryophytes was greater in sites without F. bicolor, while vascular epiphytes show a larger cover in sites with F. bicolor. The species richness of invertebrates increased in treetop sites colonized by F. bicolor but species composition was not different from soil in branch bifurcations. Our results show that F. bicolor must be considered in forest management practices to determine which trees must be logged, in order to preserve the viability of populations of these key organisms in the treetops of South American temperate rainforests. (C) 2017 Elsevier B.V. All rights reserved.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000406732100041
WOS关键词SPECIES RICHNESS ; NEST FERNS ; DIVERSITY ; COMMUNITY ; BIOMASS ; BIODIVERSITY ; EPIPHYTES ; ABUNDANCE ; SOIL ; ORGANISMS
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/22192
专题气候变化
作者单位1.Univ Austral Chile, Direcc Serv Vicerrectoria Gest Econ & Adm, Unidad Gest Ambiental, Las Encinas 220, Valdivia, Chile;
2.Univ Austral Chile, Fac Ciencias Forestales & Recursos Nat, Inst Conservac Biodiversidad & Terr, Lab Biodiversidad & Ecol Dosel, Independencia 641, Valdivia, Chile;
3.Univ Austral Chile, Fac Ciencias Forestales & Recursos Nat, Escuela Grad, Independencia 641, Valdivia, Chile;
4.Univ Gottingen, Albrecht von Haller Inst Plant Sci, Dept Palynol & Climate Dynam, Untere Karspule 2, D-37073 Gottingen, Germany;
5.Univ Austral Chile, Inst Conservac Biodiversidad & Terr, Lab Dendrocronol & Cambio Global, Casilla 567, Valdivia, Chile;
6.Univ Austral Chile, Ctr Climate & Resilience Res CR2, Casilla 567, Valdivia, Chile
推荐引用方式
GB/T 7714
Ortega-Solis, Gabriel,Diaz, Ivan,Mellado-Mansilla, Daniela,et al. Ecosystem engineering by Fascicularia bicolor in the canopy of the South-American temperate rainforest[J]. FOREST ECOLOGY AND MANAGEMENT,2017,400.
APA Ortega-Solis, Gabriel,Diaz, Ivan,Mellado-Mansilla, Daniela,Tello, Francisco,Moreno, Ricardo,&Tejo, Camila.(2017).Ecosystem engineering by Fascicularia bicolor in the canopy of the South-American temperate rainforest.FOREST ECOLOGY AND MANAGEMENT,400.
MLA Ortega-Solis, Gabriel,et al."Ecosystem engineering by Fascicularia bicolor in the canopy of the South-American temperate rainforest".FOREST ECOLOGY AND MANAGEMENT 400(2017).
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