5 posts · 1,561 views
Looking at interesting research in global warming and evolution, beyond the denialism.
Joel Rein
5 posts
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- January 12, 2012
- 10:00 AM
- 180 views
Cold snaps curtail invasions
Climate change not only causes shifts in the distributions of native species, but also allow invasive species to establish new populations. For example, many Caribbean species are taking advantages of warming temperatures, expanding polewards and invading into the south-eastern United States. Having established themselves, however, it’s not unknown for the invaders to come to pain. [...]... Read more »
Canning-Clode, J., Fowler, A., Byers, J., Carlton, J., & Ruiz, G. (2011) ‘Caribbean Creep’ Chills Out: Climate Change and Marine Invasive Species. PLoS ONE, 6(12). DOI: 10.1371/journal.pone.0029657
- November 19, 2011
- 07:54 AM
- 175 views
Tapeworms like it hot
Bird tapeworms (Schistocephalus solidus) have three distinct life stages. First, they infect copepods (tiny crustaceans), such as Cyclops strenuus abyssorum. The copepods are eaten by sticklebacks – in this case, the three-spined stickleback, Gasterosteus aculeatus. The sticklebacks are then eaten a bird, in which they breed and produce eggs with which to infect the next [...]... Read more »
Macnab, V., & Barber, I. (2011) Some (worms) like it hot: fish parasites grow faster in warmer water, and alter host thermal preferences. Global Change Biology. DOI: 10.1111/j.1365-2486.2011.02595.x
- September 3, 2011
- 12:56 PM
- 419 views
Do Cosmic Rays Cause Global Warming?
How do you make a cloud? Well, first you start with an aerosol particle, a small particle around which the much larger cloud condensation nuclei (CCNs) can condense. It takes a large CCN – at least 100 nanometres in size – for water vapour to be able to condense from water vapour. Clouds are made [...]... Read more »
Kirkby, J., Curtius, J., Almeida, J., Dunne, E., Duplissy, J., Ehrhart, S., Franchin, A., Gagné, S., Ickes, L., Kürten, A.... (2011) Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation. Nature, 476(7361), 429-433. DOI: 10.1038/nature10343
- August 7, 2010
- 07:58 AM
- 407 views
Rapid adaptation to temperature change… and its limits
People often think of evolution as though natural selection were sitting around waiting for new mutations to promote or cull. But it’s not really like that. A great deal of variation exists in any population, much of which has little or no effect on the survival or reproductive success of individuals carrying that variation. However, [...]... Read more »
Barrett, R., Paccard, A., Healy, T., Bergek, S., Schulte, P., Schluter, D., & Rogers, S. (2010) Rapid evolution of cold tolerance in stickleback. Proceedings of the Royal Society B: Biological Sciences. DOI: 10.1098/rspb.2010.0923
- July 25, 2010
- 08:13 AM
- 380 views
Small no-take zones can help top predators
It’s difficult to protect large marine areas from fishing – a great deal of resources must be put into patrolling and enforcing such an area. However, new research suggests that small but well-targetted protection zones can have a significant effect all the way up the food chain.
African Penguins (Spheniscus demersus) are a vulnerable species of [...]... Read more »
Pichegru, L., Gremillet, D., Crawford, R., & Ryan, P. (2010) Marine no-take zone rapidly benefits endangered penguin. Biology Letters, 6(4), 498-501. DOI: 10.1098/rsbl.2009.0913
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