Artículo
Scale dependence of canopy trait distributions along a tropical forest elevation gradient
Asner, Gregory P.; Martin, Roberta E.; Anderson, Christopher Brian
; Kryston, Katherine; Vaughn, Nicholas; Knapp, David E.; Bentley, Lisa Patrick; Shenkin, Alexander; Salinas, Norma; Sinca, Felipe; Tupayachi, Raul; Quispe Huaypar, Katherine; Montoya Pillco, Milenka; Ccori Álvarez, Flor Delis; Díaz, Sandra Myrna
; Enquist, Brian J.; Malhi, Yadvinder
![Icon](/themes/CONICETDigital/images/conicet.png)
![Icon](/themes/CONICETDigital/images/conicet.png)
Fecha de publicación:
05/2017
Editorial:
Wiley Blackwell Publishing, Inc
Revista:
New Phytologist
ISSN:
0028-646X
e-ISSN:
1469-8137
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Average responses of forest foliar traits to elevation are well understood, but far less is known about trait distributional responses to elevation at multiple ecological scales. This limits our understanding of the ecological scales at which trait variation occurs in response to environmental drivers and change. We analyzed and compared multiple canopy foliar trait distributions using field sampling and airborne imaging spectroscopy along an Andes-to-Amazon elevation gradient. Field-estimated traits were generated from three community-weighting methods, and remotely sensed estimates of traits were made at three scales defined by sampling grain size and ecological extent. Field and remote sensing approaches revealed increases in average leaf mass per unit area (LMA), water, nonstructural carbohydrates (NSCs) and polyphenols with increasing elevation. Foliar nutrients and photosynthetic pigments displayed little to no elevation trend. Sample weighting approaches had little impact on field-estimated trait responses to elevation. Plot representativeness of trait distributions at landscape scales decreased with increasing elevation. Remote sensing indicated elevation-dependent increases in trait variance and distributional skew. Multiscale invariance of LMA, leaf water and NSC mark these traits as candidates for tracking forest responses to changing climate. Trait-based ecological studies can be greatly enhanced with multiscale studies made possible by imaging spectroscopy.
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(IMBIV)
Articulos de INST.MULTIDISCIPL.DE BIOLOGIA VEGETAL (P)
Articulos de INST.MULTIDISCIPL.DE BIOLOGIA VEGETAL (P)
Citación
Asner, Gregory P.; Martin, Roberta E.; Anderson, Christopher Brian; Kryston, Katherine; Vaughn, Nicholas; et al.; Scale dependence of canopy trait distributions along a tropical forest elevation gradient; Wiley Blackwell Publishing, Inc; New Phytologist; 214; 3; 5-2017; 973-988
Compartir
Altmétricas