10.5061/DRYAD.94K15
Morante Filho, José Carlos
Universidade Estadual de Santa Cruz
Arroyo-Rodríguez, Víctor
National Autonomous University of Mexico
Andrade, Edyla R.
Universidade Estadual de Santa Cruz
Santos, Bráulio A.
Universidade Estadual de Santa Cruz
Cazetta, Eliana
Universidade Estadual de Santa Cruz
Faria, Deborah
Universidade Estadual de Santa Cruz
de Andrade, Edyla R.
Universidade Estadual de Santa Cruz
Data from: Compensatory dynamics maintain bird phylogenetic diversity in
fragmented tropical landscapes
Dryad
dataset
2018
habitat loss
phylogenetic conservatism
phylodiversity
Deforestation
2018-05-25T00:00:00Z
2018-05-25T00:00:00Z
en
https://doi.org/10.1111/1365-2664.12962
18749 bytes
1
CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
1.Tropical forest loss can drive the extinction of forest-dependent
species. Yet, non-forest species can proliferate in deforested landscapes,
thus enabling community-level attributes (e.g., total abundance and
richness) to be maintained in the remaining forest patches. Such
compensatory dynamics have been, however, poorly investigated regarding
the phylogenetic dimension of species diversity. Here, we assessed whether
compensatory dynamics can stabilize the phylogenetic richness, divergence
and structure of bird communities in response to forest loss in two
regions in the Brazilian Atlantic forest, each under with different levels
of land use intensification. 2.We surveyed birds in 40 forest sites, and
assessed the response of five phylogenetic metrics to forest cover
measured in local (600-m radius) landscapes. We separately assessed the
entire community, forest-dependent and non-forest-dependent species and
used information-theoretic criteria to assess the effect of forest cover
on each response variable. In particular, we evaluated the plausibility of
four models: a null model (no effect of forest cover), a linear model, a
power law model (nonlinear effect), and an analysis of covariance model
(to assess whether the effect of forest cover differed between regions).
3.Forest cover varied from 7% to 98%, and was positively related to the
phylogenetic richness of forest-dependent species, but negatively related
to the phylogenetic richness and divergence of non-forest birds,
particularly in the more disturbed region. As consequence, the
phylogenetic richness and divergence of the entire community were weakly
related to forest cover. 4.Forest birds were less phylogenetically
clustered in sites surrounded by lower forest cover, but the phylogenetic
structure of non-forest birds was independent of forest cover. 5.Synthesis
and applications. The phylogenetic impoverishment of forest-dependent
birds is offset by the phylogenetic enrichment and divergence of
non-forest-dependent birds in severely tropical deforested landscapes.
These compensatory dynamics suggest that both bird groups are important
for safeguarding bird evolutionary diversity in human-modified landscapes.
Although deforested landscapes are reservoirs of bird phylogenetic
diversity, suggesting that ecosystem functioning may be maintained in
these sites, preventing further deforestation is urgently needed to
preserve forest birds and their key ecological roles in the ecosystem.
Data-Morante-Filho et al. JAE 2017Bird phylogenetic data used to evaluate
the relationship with the amount of forest cover in each landscape.
Atlantic forest