Navigation Links
Butterflies: 'Twice-punished' by habitat fragmentation and climate change
Date:12/9/2011

New findings by Virginie Stevens (CNRS), Jean Clobert (CNRS), Michel Baguette (Musum National d'Histoire Naturelle) and colleagues show that interactions between dispersal and life-histories are complex, but general patterns emerge. The study was published as open access paper in the journal Ecology Letters.

As dispersal plays a key role in gene flow among populations, its evolutionary dynamics under environmental changes is particularly important. The inter-dependency of dispersal with other life history traits may constrain dispersal evolution, and lead to the indirect selection of other traits as a by-product of this inter-dependency.

Identifying the dispersal's relationships to other life-history traits will help to better understand the evolutionary dynamics of dispersal, and the consequences for species persistence and ecosystem functioning under global changes. Dispersal may be linked to other life-history traits as their respective evolutionary dynamics may be inter-dependent, or, because they are mechanistically related to each other.

The authors identified traits that are predicted to co-vary with dispersal, and investigated the correlations that may constrain dispersal using published information on butterflies. The quantitative analysis revealed that (1) dispersal directly correlated with demographic traits, mostly fecundity, whereas phylogenetic relationships among species had a negligible influence on this pattern, (2) gene flow and individual movements are correlated with ecological specialisation and body size, respectively and (3) routine behaviours only affected short-distance dispersal. Together, these results provide important insights into evolutionary dynamics under global environmental changes, and are directly applicable to biodiversity conservation.

Specialist species with narrow tolerance to temperature are also those butterflies that have weak dispersal ability. For such species, the combination of habitat fragmentation and climate warming is thus a kind of 'double penalty'. Those species should thus be the priority targets in conservation actions. Besides, these results show that the size of a butterfly is not a reliable proxy of most of the components of its ability to disperse across inhospitable parts of landscapes, and is particularly poor at describing species' ability to maintain spatial gene flow.


'/>"/>
Contact: Michel Baguette
baguette@mnhn.fr
Pensoft Publishers
Source:Eurekalert  

Related biology news :

1. NOAA designates critical habitat for black abalone
2. Fewer marten detections in California forest linked to decline in habitat
3. Raptor usurpers in neighboring habitats reshape the conventional wisdom
4. GigaBlitz will turn high-resolution images of nature into global inventory of organisms, habitats
5. New study predicts risk of wetland habitat loss in southern United States
6. Prof to use DNA technology to prevent habitat loss
7. Identifying beaked whale foraging habitat in the tongue of the ocean, Bahamas
8. Research brings habitat models into the future
9. Food forensics: DNA links habitat quality to bat diet
10. Insects hold atomic clues about the type of habitats in which they live
11. Turtle populations affected by climate, habitat loss and overexploitation
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Butterflies: 'Twice-punished' by habitat fragmentation and climate change
(Date:1/6/2017)... , Jan. 6, 2017  Privately-held CalciMedica, Inc., ... in healthy volunteers of a novel calcium release-activated ... acute pancreatitis. Acute pancreatitis, sudden ... mild disorder, but can be very serious.  In severe ... sepsis, where extended hospital stays, time in the ...
(Date:1/3/2017)... VEGAS , Jan. 3, 2017 Onitor, ... the introduction of Onitor Track, an innovative biometric data-driven ... men, showcasing this month at the 2017 Consumer Electronics ... In the U.S., the World Health ... more than two-thirds of adults who are overweight or ...
(Date:12/19/2016)... TORONTO , 19 de diciembre de 2016  Mosaic Biomedicals ... el desarrollo acelerado de MSC-1, un anticuerpo humanizado que se espera ... en 2017, con múltiples sitios previstos a lo largo de Europa ... MSC-1 ... factor inhibidor de leucemia (LIF), una citoquina pleiotrópica que se sobreexpresa ...
Breaking Biology News(10 mins):
(Date:1/21/2017)... ... 20, 2017 , ... Nipro Corporation (Osaka, Japan) and Transonic Systems Inc. (New ... receive exclusive marketing and sales rights for all non-OEM Transonic products in Japan. As ... Japan, the new Nipro - Transonic JV is a natural next step to advance ...
(Date:1/21/2017)... 20, 2017 Aratana Therapeutics, Inc. (NASDAQ: ... the licensing, development and commercialization of innovative biopharmaceutical products ... Company in North America 2016. ... based on the FDA approval of three innovative ... ® (capromorelin oral solution) and NOCITA ® ...
(Date:1/20/2017)... , Jan. 20, 2017 Ginkgo Bioworks, ... Gen9, a pioneer in the synthesis and assembly ... expertise in assembling pathway-length synthetic DNA into Ginkgo,s ... capacity in the construction of new organism designs ... "Gen9 was founded to significantly increase ...
(Date:1/19/2017)... PUNE, India , Jan. 19, 2017  Market Research Future ... The Global Market for Liquid Biopsy is growing rapidly and expected ... period. Market Highlights ... The Global Liquid Biopsy Market has been assessed as ... high growth figures and boom in the coming future. There has ...
Breaking Biology Technology: