Featured Research

from universities, journals, and other organizations

Butterflies: 'Twice-punished' by habitat fragmentation and climate change

Date:
December 9, 2011
Source:
Pensoft Publishers
Summary:
Butterflies dispersal is strongly related to demography and ecological specialization, new research shows. Butterfly with narrow tolerance to temperature are also those species that have weak dispersal ability. For such species, the combination of habitat fragmentation and climate warming are a kind of 'double penalty'.

Butterflies.
Credit: Image courtesy of Pensoft Publishers

New findings by Virginie Stevens (CNRS), Jean Clobert (CNRS), Michel Baguette (Muséum 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.


Story Source:

The above story is based on materials provided by Pensoft Publishers. Note: Materials may be edited for content and length.


Journal Reference:

  1. Virginie M. Stevens, Audrey Trochet, Hans Van Dyck, Jean Clobert, Michel Baguette. How is dispersal integrated in life histories: a quantitative analysis using butterflies. Ecology Letters, 2012; 15 (1): 74 DOI: 10.1111/j.1461-0248.2011.01709.x

Cite This Page:

Pensoft Publishers. "Butterflies: 'Twice-punished' by habitat fragmentation and climate change." ScienceDaily. ScienceDaily, 9 December 2011. <www.sciencedaily.com/releases/2011/12/111209123210.htm>.
Pensoft Publishers. (2011, December 9). Butterflies: 'Twice-punished' by habitat fragmentation and climate change. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2011/12/111209123210.htm
Pensoft Publishers. "Butterflies: 'Twice-punished' by habitat fragmentation and climate change." ScienceDaily. www.sciencedaily.com/releases/2011/12/111209123210.htm (accessed October 20, 2014).

Share This



More Plants & Animals News

Monday, October 20, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

White Lion Cubs Born in Belgrade Zoo

White Lion Cubs Born in Belgrade Zoo

AFP (Oct. 20, 2014) — Two white lion cubs, an extremely rare subspecies of the African lion, were recently born at Belgrade Zoo. They are being bottle fed by zoo keepers after they were rejected by their mother after birth. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Traditional Farming Methods Gaining Ground in Mali

Traditional Farming Methods Gaining Ground in Mali

AFP (Oct. 20, 2014) — He is leading a one man agricultural revolution in Mali - Oumar Diatabe uses traditional farming methods to get the most out of his land and is teaching others across the country how to do the same. Duration: 01:44 Video provided by AFP
Powered by NewsLook.com
Goliath Spider Will Give You Nightmares

Goliath Spider Will Give You Nightmares

Buzz60 (Oct. 20, 2014) — An entomologist stumbled upon a South American Goliath Birdeater. With a name like that, you know it's a terrifying creepy crawler. Sean Dowling (@SeanDowlingTV) has the details. Video provided by Buzz60
Powered by NewsLook.com
Hey, Doc! Sewage, Beer and Food Scraps Can Power Chevrolet’s Bi-Fuel Impala

Hey, Doc! Sewage, Beer and Food Scraps Can Power Chevrolet’s Bi-Fuel Impala

3BL Media (Oct. 20, 2014) — Hey, Doc! Sewage, Beer and Food Scraps Can Power Chevrolet’s Bi-fuel Impala Video provided by 3BL
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins