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http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/pdfviewer/pdfviewer?vid=4&sid=a9ff8b15-7153-42a7-848f-e960034a8dfd%40sdc-v-sessmgr02

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/pdfviewer/pdfviewer?vid=14&sid=a9ff8b15-7153-42a7-848f-e960034a8dfd%40sdc-v-sessmgr02

Biology Article Portfolio

The use of military bunkers by the European badger and red fox in Western Europe

This article discusses how abandoned World War Two bunkers could be used as a habitat for carnivores such as the European badger and red fox. Due to consolidation of land for agriculture, the natural habitats of these creatures has been heavily reduced. 182 abandoned bunkers in farmland area in Eastern France were explored in summer of 2016. Badger and fox tracks were found on 34% of sites, and burrows on 24% of them. Animals used partially buried bunkers more than they used fully underground or overground bunkers, and there was a positive correlation between sizes of annual crops and bunker use.

Top-down control of species distributions: feral cats driving the regional extinction of a threatened rodent in northern Australia

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=32&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#AN=128766213&db=eih

My Favorite Ant

This article investigated whether feral cats impacted the distribution and extinction possibility of the Australian rabbit-rat conilurus penicillatus. Small mammal surveys were done at 88 sites across Melville island, 86 of which had been previously surveyed fifteen years prior. The results showed that c. penicallatus, which had once occurred more widely across the island, was only found in areas where feral cats were less common and where there was a high density of shrubs. The results suggest that feral cats are driving c. penicillatus towards extinction on Melville island, and that shrubbery helps reduce the impact feral cats have on native populations.

This article goes in depth about the leaf-cutter ant. The author describes how leaf-cutter ants behave in nature. He details how they often defoliate trees and how they can even create worn paths in the dirt when they gather leaves to bring back to the colony. The leaves that are brought back to the colony are turned into a substrate that lines the nest. This creates an environment for fungus to grow, which becomes a food source for both adult ants and larvae alike. The author goes on to describe their foraging habits, and their nest dynamics/hierarchy.

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=24&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#AN=121183116&db=eih

Caffeine and energy drink use by combat arms soldiers in Afghanistan as a countermeasure for sleep loss and high operational demands

Wolverine (Gulo gulo) Food Habits in Greater Yellowstone

This article analyzed the use of caffeine among soldiers on combat deployments in Afghanistan. Combat arms soldiers had significantly higher intake than combat service support personnel (An average of 483 mg compared to an average of 235 mg). The majority of this caffeine came from energy drinks, but some also came from coffee, tea, sodas, gum, candy, and over the counter medication. In the end, higher caffeine intake was not associated with difficulty falling asleep or ease in waking up. Instead, higher caffeine intake was almost entirely associated with high amounts of nighttime duties or operational tempos, as a countermeasure for the adverse effects of sleep loss.

Head Shape and Size of Adult Males as Possible Indicators of

Childhood Stress in Northern Jordan

This article tracked wolverine food habits in Yellowstone in order to use the information for conservation efforts. The researchers captured wolverines in Greater Yellowstone, identified wolverine food items in the field, and collected wolverine scats. In winter, wolverines tended to scavenge leftover scraps from ungulates hunted by other animals, and in summer they tended to prey on rodents and other small prey. There was a focus on how wolverines would feed on species not within their typical consumption (such as elk), and the result found was that wolverine distribution was notably more limited by factors other than prey species distribution. This would hopefully imply that changing distributions as climate change occurs would have a more minimal impact on wolverines.

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=21&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#AN=100239461&db=f5h

This study was conducted from 1990-1978 in Northern Jordan to test the hypothesis that adult head size and shape are related to childhood socioeconomic conditions, especially nutrition. The study was conducted on 398 subjects, 56% of which were native Jordanians and 44% of which were ethnic Palestinians. The study followed the resulting head sizes in relation to how well or poorly the economy was doing based on collected historical economic data. The researchers found that there was no actual functional correlation between head size over time and socioeconomic stress. They even unexpectedly found that the highest mean value of head size for Jordanians and Palestinians came from those who were children during a period of economic despair.

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=16&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3D%3D&fbclid=IwAR3kLJTCovPhMapMYdtl0960XITKWEf1nU5iWvEeFlsPFnose9wbAviRk5U#AN=138850400&db=a9h

#3: Jellyfish fisheries in the Americas: origin, state of the art, and perspectives on new fishing grounds.

This article explores the arrival of jellyfish fisheries in North, Central, and South America and summarizes information regarding the fishing and management. Processing technology for edible jellyfish has not changed much over time, and the result presents major concerns for human health as well as the environment. The article suggests that advancing this may present new opportunities for different markets and species of jellyfish. The establishment of more fisheries overall seems possible, but requires many factors such as an abundance of a particular species and either affordable labor or industrialized facilities.

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=44&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#AN=121198080&db=eih

Evaluating stakeholder-derived strategies to reduce the risk of ships striking whales

This article investigates ship strikes that are one of the leading sources of human-caused deaths in baleen whales off the USA’s West Coast. Strategies proposed included adding new shipping routes, increasing the area to be avoided around where whales tended to travel, and reducing ship speed in the area. The researchers used 8 years of ship traffic data and 7 years of whale survey data to investigate collision risk. Creating a shipping route was opposed by the United States Navy, but expanding the area to be avoided was widely supported and a reduction in speed was associated with a significant decrease in ship strike mortality.

http://search.ebscohost.com.libproxy.dtcc.edu/Community.aspx?authtype=ip&ugt=723731863C8635573776356632253E5225E364D36013649362E328E331133603&stsug=AjxDMIDCqZHA874fmdXYs7CCC0qY_c3r37eP-xyg1ujftH9RFXepfRPNV-lr2R-wKvD1GEIAuxu9DrlKXrRWFG-yOmZJOdtSzcsUdxYM-DLV-fdekaRMclEA4mogpCX5NPAl6YsPoldXmW_WLSqyltdEPjZj0ABmgbpJ-xwYut35xcw&IsAdminMobile=N&encid=22D731163C2635273766357632353C97354374C370C374C372C378C371C376C33013&selectServicesToken=AzzUXjdgL6APHAL35qolsoTQ9fPTGo-LBIUJLg4-kwSG4PPdt6fPzwZzwx79hQ5A_zmay9AcdNMoGb8vf2ZTpHbrD1bnofRjHQNDpk8z-q4qIlJTE4LJlcTH63rOpmUOVIgfneU5rdaoNL-d97QozP9ltviqXWLfYflVg8vlMZFTVlTj4OBZrEsEyZ94qaPMKlGy394yq43YENJoXWfdedCCof8Wf0eS45L7CESRx35TwEKz3rT_5rc-nGSPeRF_bOfyykuwkqKZG9dmqMjGfnA37JTV-XS1P6SsSSLuPT3iwklLyDan1zKOqizFkOoIflJv1HHOt_vH3wcv0e671s63i1vKMZqho1SHI2IUNfuyiP4C7t3W3Pqmc42MHw_p8tYqO1-oeNLkz84rE2A7O-RtNpvzj_XWwip85Mkv7HzUQ5cB3646dJkGFYbfpEp8og_7iQdz-eDfsrXXBs3cS3u1bkh3QGg

Association between tea and coffee consumption and brain cancer risk: an updated meta-analysis

This article was a meta-analysis of eleven other articles on the link between coffee and tea consumption, and the likelihood of developing brain cancer. Overall, the link between tea was non-significant, but in American populations had an inverse relationship with the likelihood of developing brain cancer. In coffee, however, it was found that higher consumption of coffee was associated with lower likelihood of developing brain cancer worldwide (although especially in Asian populations). The conclusion seemed to suggest that coffee had a preventative effect towards brain cancer.

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=13&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#AN=30876465&db=cmedm

Efficient single-survey estimation of carnivore density using fecal DNA and spatial capture-recapture: a bobcat case study.

This article covers the process used to survey the populations of bobcats for management and conservation. As carnivores can be elusive, the researchers had to use single-survey scat sampling over five sessions in Virginia (USA). By adjusting the criteria considered, the researchers believe they have the potential to dramatically increase the effectiveness of money spent on conservation and management efforts, by making it notably easier to monitor populations of carnivores.

http://web.a.ebscohost.com.libproxy.dtcc.edu/ehost/detail/detail?vid=56&sid=2f7b9d4b-ad90-4147-84cc-72ef897f44a4%40sdc-v-sessmgr01&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#AN=130378887&db=eih

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