Comparing impacts of fragmentation on bird functional and phylogenetic diversity in primary and secondary rainforests

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F25%3A00636346" target="_blank" >RIV/60077344:_____/25:00636346 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60076658:12310/25:43909866

Výsledek na webu

<a href="https://besjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/1365-2664.70083" target="_blank" >https://besjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/1365-2664.70083</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/1365-2664.70083" target="_blank" >10.1111/1365-2664.70083</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Comparing impacts of fragmentation on bird functional and phylogenetic diversity in primary and secondary rainforests

Popis výsledku v původním jazyce

Avian biodiversity in tropical rainforests is threatened by increasing intensity of anthropogenic disturbances. Secondary forest birds can maintain ecosystem services that are otherwise lost with disappearing primary forests. However, the stability of these services can be impeded by area effects reducing bird diversity.nnWe compared the effects of fragmentation on avian ecosystem functions in both primary and secondary forests. We performed point count surveys in both continuous rainforests, as well as isolated forest fragments in lowland Papua New Guinea. We combined taxonomic diversity with functional and phylogenetic indices and patterns of individual functional traits.nnBird taxonomic diversity was lower in secondary forests and decreased considerably due to fragmentation. In contrast, functional diversity was not affected by fragmentation but increased in secondary forests. Phylogenetic diversity increased in all human-modified forests.nnDecreases in taxonomic diversity stemmed from the loss of forest-dependent birds. In contrast, decreases in functional and phylogenetic diversity were prevented by the introduction of open-habitat species. This was demonstrated by shifts in trait composition, as bird phenotypes reliant on forest continuity became less prevalent. Specifically, we recorded a proportional decrease in insectivory and ground foraging, and an increase in nectarivory and dispersal ability. Increased dispersal ability was also observed in secondary forests, where it was associated with shifts towards frugivory and canopy foraging. Increases in phylogenetic diversity were likely amplified by high phylogenetic dispersion of introduced habitat generalists. nnPolicy implications. We show that compensatory patterns of species introduction fail to account for the loss of ecosystem functions due to the decline of forest-dependent birds. As such, conservation policies should be targeted towards species that share traits associated with disturbance sensitivity, such as insectivory, ground foraging and low dispersal ability. This could prevent biodiversity loss in poorly explored tropical landscapes in the early stages of large-scale deforestation.

Název v anglickém jazyce

Comparing impacts of fragmentation on bird functional and phylogenetic diversity in primary and secondary rainforests

Popis výsledku anglicky

Avian biodiversity in tropical rainforests is threatened by increasing intensity of anthropogenic disturbances. Secondary forest birds can maintain ecosystem services that are otherwise lost with disappearing primary forests. However, the stability of these services can be impeded by area effects reducing bird diversity.nnWe compared the effects of fragmentation on avian ecosystem functions in both primary and secondary forests. We performed point count surveys in both continuous rainforests, as well as isolated forest fragments in lowland Papua New Guinea. We combined taxonomic diversity with functional and phylogenetic indices and patterns of individual functional traits.nnBird taxonomic diversity was lower in secondary forests and decreased considerably due to fragmentation. In contrast, functional diversity was not affected by fragmentation but increased in secondary forests. Phylogenetic diversity increased in all human-modified forests.nnDecreases in taxonomic diversity stemmed from the loss of forest-dependent birds. In contrast, decreases in functional and phylogenetic diversity were prevented by the introduction of open-habitat species. This was demonstrated by shifts in trait composition, as bird phenotypes reliant on forest continuity became less prevalent. Specifically, we recorded a proportional decrease in insectivory and ground foraging, and an increase in nectarivory and dispersal ability. Increased dispersal ability was also observed in secondary forests, where it was associated with shifts towards frugivory and canopy foraging. Increases in phylogenetic diversity were likely amplified by high phylogenetic dispersion of introduced habitat generalists. nnPolicy implications. We show that compensatory patterns of species introduction fail to account for the loss of ecosystem functions due to the decline of forest-dependent birds. As such, conservation policies should be targeted towards species that share traits associated with disturbance sensitivity, such as insectivory, ground foraging and low dispersal ability. This could prevent biodiversity loss in poorly explored tropical landscapes in the early stages of large-scale deforestation.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10619 - Biodiversity conservation

Projekt

<a href="/cs/project/GM22-17593M" target="_blank" >GM22-17593M: Kolaps ekosystémů v nepřítomnosti pavouků a ptáků?</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Applied Ecology

ISSN

0021-8901

e-ISSN

1365-2664

Svazek periodika

62

Číslo periodika v rámci svazku

7

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

1674-1684

Kód UT WoS článku

001502010100001

EID výsledku v databázi Scopus

2-s2.0-105007548193