Author Archives: Jess Ritsche


Hello everyone! I apologize for the hiatus, this last year of my Master’s, coupled with thesis work, has eaten up the majority of my time. You know all of those comic strips joking about no sleep and lots of coffee in grad school? Well, in my case, it’s TRUE. Ha! So – on to the post. I received an email

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Photos From Costa Rica!

I had the pleasure of conducting my research at Piro Biological Station in the Osa Peninsula, Costa Rica. I was there to look at foraging ecology in howler monkeys (Alouatta palliata), specifically I was trying to see if they deplete preferred patches of food. At this field site there are four species of primates: Central American Squirrel Monkey (Saimiri oerstedii)

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Free Trade Vs. Fair Trade

Many economists and politicians speculate about the merits of free trade and fair trade. Although both approaches are focused on a comprehensive plan for commercial activity, they are founded by very different perspectives. Free trade is focused on breaking down barriers between countries and removing preferential policies that favor specific countries or industries. Free traders believe that a business should

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Traveling Buzzwords

These days there are so many types of travel, especially as we become more involved in trying to sustain the environment. I’m providing information here to help you be an educated traveler. This first one is the big one: ECO-TOURISM. The International Ecotourism Society defines it as “responsible travel to natural areas that conserves the environment, sustains the well-being of

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Global Warming Versus Global Climate Change

Various media sources are full of “global warming” references, while some prefer “climate change”. Global warming seems to have a much bigger impact in our minds as images of a scorching-hot Earth filters through our conscience. So what is the difference? According to NASA global warming is “a gradual increase in the average temperature of Earth’s surface” (NASA, accessed 2015).

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Where Do New Primate Species Come From?

A Quick Refresher of Species Concepts: 1. Biological Species Concept (Mayr) A species = “A group of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups” (Source) Advantages: – Objective, testable criteria Disadvantages: – Applies to only sexually-reproducing species – Hard to test for populations that don’t overlap (i.e. islands) – Messy when species hybridize

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