It’s a hard knock life for deep-sea animals. It’s really cold in the winter. It’s really cold in the summer. It’s dark and wet…like Boston and Guinness. Your only source of food, what little you get, is far from fresh and may have passed through the rectum of more than one animal. If you are . . . → Read More: OMZ’s: God-For-Saken Pits of Despair
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By Dr. M, on  June 12th, 2009  2 comments  Adaptations, Environmental Sciences, Microbes, Organisms  Adaptations, Arabian Sea, Bay of Bengal, Boston, deep sea, diversity, food, Guinness, oxygen, physiology By Dr. M, on May 17th, 2009 24 comments Mating & Reproduction Bible, breasts, diversity, evolution, fencing, Israel, Old Testament, Penis, penis fencing, prudish, reproduciton, reproductive isolation, sex, Sex Week, sexual selection, Song of Solomon, sperm This is the official introduction to Sex Week at DSN. We here at DSN never shy away from writing about sex. Through reproduction, fitness is realized as progeny populate the landscape. Thus reproduction can be considered the backbone of evolution as traits are selected for and against, or perhaps not at all. Reproductive methods, the . . . → Read More: Introduction to Sex Week
By Dr. M, on May 3rd, 2009 4 comments Organisms alpha diversity, beta diversity, diversity, donuts, gamma diversity, power law function, species, species-area curve, Whittaker 1972 Source: Flickr by author Qfamily made available through Creative Commons Diversity is a matter of area. This is because there is a well-known relationship between species and area, called rather cleverly the species-area curve. You increase the size of the area sampled; you increase the number of species. However, this relationship is not linear as . . . → Read More: Biodiversity Pt. 2: Mmmmm…donuts
By Dr. M, on April 28th, 2009 11 comments Organisms beer, Claude Shannon, conservation, diversity, Evelyn Christine Pielou, evenness, information theory, Norbert Weiner, Organisms, richness, Shannon-Weiner, Warren Weaver Knowing how diverse an ecological community is should be a simple matter. At the most basic level, we can go into the field take a sample and count the number of species. I know that when I look into my refrigerator that I have a beer diversity of 2. I have a few Guinness* and . . . → Read More: Biodiversity Pt. 1: Richness vs. Evenness or What Kinds Of Beer Are In My Refrigerator
One of the central questions in marine biogeography asks “why are there more species of fish and coral in the Indo-Pacific than anywhere else in the world?” . . . → Read More: Global hotspots of deep coral diversity
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