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:5/16/2017)... , May 16, 2017   Bridge ... health organizations, and MD EMR Systems , ... development partner for GE, have established a partnership ... Portal product and the GE Centricity™ products, including ... EMR. These new integrations will ...
(Date:4/19/2017)... York , April 19, 2017 ... as its vendor landscape is marked by the presence ... market is however held by five major players - ... Together these companies accounted for nearly 61% of the ... the leading companies in the global military biometrics market ...
(Date:4/13/2017)... , April 13, 2017 UBM,s Advanced ... will feature emerging and evolving technology through ... Innovation Summits will run alongside the expo portion of ... sessions, panels and demonstrations focused on trending topics within ... advanced design and manufacturing event will take place June ...
Breaking Biology News(10 mins):
(Date:5/16/2017)... (PRWEB) , ... May 16, 2017 , ... ... and Trademark Office (USPTO) for a wireless electrocardiogram (ECG or EKG) acquisition and ... to be integrated into clothing, or secured directly onto the skin, making them ...
(Date:5/16/2017)... YORK , May 16, 2017 ... many healthcare organizations and something that has been ... record (EHR) optimization. But according to   Logicalis ... US, an international IT solutions and managed services ... – and often overlooked – interrelationship between telehealth, ...
(Date:5/16/2017)... MA (PRWEB) , ... May 16, 2017 , ... On ... have an ideal audience for introducing the advance in stem cell medicine that his ... Tuesday will be the second day of the Alliance for Regenerative Medicine’s first partnering ...
(Date:5/15/2017)... Somerset, N.J. (PRWEB) , ... May 15, 2017 ... ... advanced delivery technologies and development solutions for drugs, biologics and consumer health products, ... biotechnology company focused on rare genetic diseases, to support preclinical and clinical development ...
Breaking Biology Technology: