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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Illuminating The Drivers Of Genomic Diversification In Lamprologine Cichlids Of The Lower Congo River, Naoko P. Kurata
Illuminating The Drivers Of Genomic Diversification In Lamprologine Cichlids Of The Lower Congo River, Naoko P. Kurata
Dissertations, Theses, and Capstone Projects
Freshwater fishes are extraordinarily diverse, considering their available habitats represent a tiny proportion of the earth’s surface. Rivers connect heterogeneous habitats in a linear form and provide excellent simplified models to understand how aquatic biodiversity evolves. In particular, the lower Congo River (LCR) in west Central Africa consists of a dynamic hydroscape exhibiting extraordinary aquatic biodiversity, endemicity, and morphological and ecological specialization. This system is thus an excellent natural laboratory for understanding complex speciation and population diversification processes. In my research, I explore various drivers of diversification, and adaptive evolution in rheophilic lamprologine cichlids endemic to the LCR, including Lamprologus …
Lost At Sea, Anny Oberlink
Lost At Sea, Anny Oberlink
Capstones
At the end of World War I and World War II, in a new era of peace, nations confronted an unprecedented logistical problem: millions of tons of unexploded ordnance—once a wartime boon—had become a peacetime burden. Faced with a mandate to dispose of excess munitions, militaries turned to dumping their stockpiles into the sea. But now a complex and urgent issue is emerging. Increasingly, as industry looks to build offshore—wind power turbines, internet cables, oil pipelines—they are facing a potential peril: millions of tons of unexploded bombs and ammunition that are lying on the ocean floor can explode or leak …
Three Lc-Ms Plant Metabolomics Studies Of Hop (Humulus) Species: Wild H. Neomexicanus, Drought Stress, And Agricultural Terroir, Taylan Morcol
Three Lc-Ms Plant Metabolomics Studies Of Hop (Humulus) Species: Wild H. Neomexicanus, Drought Stress, And Agricultural Terroir, Taylan Morcol
Dissertations, Theses, and Capstone Projects
The hop plant (Humulus L., Cannabaceae) is a dioecious, perennial, twining vine with a long history of human use. Nowadays, hop plants are generally grown for their inflorescences (“cones”), which are used in brewing for their phytochemical metabolites. Many of these metabolites are involved in plant stress response and communication. Genetics and environment are two major factors that affect plant metabolism. In three separate metabolomics studies, this project examined the effects of both genetic and environmental factors on hop phytochemistry.
In the first study, 23 hop genotypes were grown in two different locations in the Pacific Northwest region of …
A Crisis Of Kelp, Rachel L. Sherman
A Crisis Of Kelp, Rachel L. Sherman
Capstones
Along with insects and lab-grown meat, for years seaweed has been lauded as a sustainable “food of the future” by the U.N. Food and Agricultural Organization. As the world increasingly turns to alternative foods in pursuit of a healthier Earth, seaweed has all the makings of an ecological savior. It’s plentiful — seaweeds and ocean algae make up roughly nine tenths of all the plant life on Earth — it’s cheap to harvest and get to market, packed with nutrition, and keeps oceans clean, absorbing more carbon dioxide and releasing more oxygen than the world’s rainforests.
But outside of Japanese …
What If The Key To Climate Change Is Hiding Under The Sea?, Shira Feder
What If The Key To Climate Change Is Hiding Under The Sea?, Shira Feder
Capstones
“We know more about outer space than we do the ocean,” says Vicki Ferrini, a research scientist at Columbia University with over 20 ocean expeditions under her belt. And as the woman leading Seabed 2030, the charge to map the world’s oceans—which are 85% unexplored—she knows how vital this is to combat climate change and exactly how she’s going to do it. Read it here: https://medium.com/@shira.feder/what-if-the-key-to-climate-change-is-hiding-under-the-sea-4503565c33a2
Migration Plasticity As An Adaptation To Climate Change: The Spatial Distribution And Abundance Of A Subset Of Neotropical Migrant Landbirds Wintering In The Northeastern United States, Juliette Goulet
Dissertations, Theses, and Capstone Projects
There is a need for accurate predictions of the effects of climate change on wildlife populations. Bioclimatic relationships however are potentially complicated by various environmental factors operating at multiple spatial and temporal scales. Therefore, in order to test the hypothesis that climate constraints of winter bird distributions are modified by species-specific responses to weather and climate, I relied on Christmas Bird Count data (CBC). With nearly 100 years of data, the CBC is a valuable source of information on historic and recent changes in the status and distribution of birds during the early winter period in the United States and …
How Important Is Land-Based Foraging To Polar Bears (Ursus Maritimus) During The Ice-Free Season In Western Hudson Bay? An Examination Of Dietary Shifts, Compositional Patterns, Behavioral Observations And Energetic Contributions, Linda J. Gormezano
Dissertations, Theses, and Capstone Projects
Trophic mismatches between predators and their prey are increasing as climate change causes decoupling of phenological relationships. Predators linked to the life histories of a particular prey will have a more difficult time persisting through environmental change unless they can alter their behavior to maintain the historical match or possess the ability to pursue alternate prey. Arctic predators typically possess flexible foraging strategies to survive in the labile environment, however, quantifying the limits of those strategies can be difficult when life history information is incomplete. In such cases, piecing together different aspects of a predator's foraging behavior, particularly when environmental …
Biological Reserves Under Climate Change; A Case Study In Brazil's Atlantic Rainforest, Maria Amin
Biological Reserves Under Climate Change; A Case Study In Brazil's Atlantic Rainforest, Maria Amin
Dissertations and Theses
No abstract provided.