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Articles 1 - 9 of 9
Full-Text Articles in Biodiversity
Fish Diversity And Distribution In The Seagrass-Coral Reef Continuum At Two Sites Off The Western Coast Of Isla Bastimentos, Bocas Del Toro, Panama, Kathy Liu
Independent Study Project (ISP) Collection
Coral reefs are the most diverse marine ecosystem and the largest biogenic structure on Earth. They serve as shelter for many reef fishes and are a food source for resident and visiting fish species. In the tropics, coral reefs are often in close proximity to seagrass beds and the two contiguous marine habitats are not only highly interconnected but also highly understudied. The seagrass-coral reef continuum offers a wide array of services to human society as well as to various life stages of reef fishes resulting in diel, temporal, or yearly migrations of fish between the two habitats. Tropical reef …
A Catalog Of Orchid Species And Their Distribution In Mazumbai Forest Reserve, Tanga Region, Tanzania, Sierra Loomis
A Catalog Of Orchid Species And Their Distribution In Mazumbai Forest Reserve, Tanga Region, Tanzania, Sierra Loomis
Independent Study Project (ISP) Collection
Although orchids are common in Mazumbai Forest Reserve (MFR), there are limited resources on where they grow and how to identify them. The primary objective of this study is to create an updated catalog of orchids in MFR, using species abundance, richness and diversity of the orchids as indicators of where orchids prefer to grow in MFR. Orchid species vary greatly as altitude changes, making it important to survey orchids across different altitudes. Therefore, Mazumbai Forest was split into five different altitudinal bands spanning 1400 – 1900m and six 100 x 20m plots in each band were surveyed for both …
Correlations Between Reef Health And Vertical Zonation On Ushongo Village Reef And Fungu Zinga Reef, Daniel Gates
Correlations Between Reef Health And Vertical Zonation On Ushongo Village Reef And Fungu Zinga Reef, Daniel Gates
Independent Study Project (ISP) Collection
While the existence of vertical zonation on coral reefs is well-known, the driving mechanisms and the influence each has is not clear. This study seeks to investigate the influence of reef health on vertical zonation. Reef health is used as a potential factor since it is essentially a broad description of reef diversity. Therefore, a healthy reef which is very diverse is likely to have more and different interspecies interactions than an unhealthy one. This project investigates whether these altered interactions results in different depth distributions of various coral types, categorized broadly by colony shape. Reef health did not seem …
Large Mammals Of The High Andes A Survey Of Community Composition And Habitat Usage In The Highlands Of Angochagua, Sage Fox
Independent Study Project (ISP) Collection
The large mammal community of the high Andes may be the least understood in South America. It contains multiple threatened and charismatic species including the Andean Bear, Mountain Tapir, Red Brocket Deer, Northern Pudu, and Puma. Many of these species are lacking in distribution and population data. The highlands of the Parroquia de Angochagua were once overgrazed by livestock, but have been mostly restored over the last 20 years through conservation efforts by the local community. These highlands are thought to have populations of all the previously mentioned species, though they had not been surveyed before this study. Transect surveys …
Pemban Farmer Agency In Adapting To Climate Change, Rachael Hood
Pemban Farmer Agency In Adapting To Climate Change, Rachael Hood
Independent Study Project (ISP) Collection
As a result of climate change, agricultural societies will be challenged by a variety of altered conditions, including increased severe weather events, saltwater intrusion, pest and disease outbreaks, and higher temperatures. The island of Pemba, in the Zanzibar archipelago, is home to many small-scale agriculturalists. During this study, I interviewed Pemban farmers in the districts of Wete and Micheweni about their awareness of the impacts of climate change and the mitigation strategies that they have implemented. The results from Pemba were compared to relevant academic literature regarding climate change to explore whether disparities exist between models of climate change in …
The Value Of Chemical Defense: The Effects Of Toxin Milking On The Physical, Physiological, And Behavioral Performance Of Cane Toads (Rhinella Marina), Ryann Blennerhassett
The Value Of Chemical Defense: The Effects Of Toxin Milking On The Physical, Physiological, And Behavioral Performance Of Cane Toads (Rhinella Marina), Ryann Blennerhassett
Independent Study Project (ISP) Collection
Amphibians have cutaneous glands on their skin which produce a number of toxic compounds that serve as protection against predators and microorganisms. Cane toads (Rhinella marina) have large parotoid glands located on their shoulders to store toxins, many of which are derived from lipids and are thus energetically expensive to produce. I used a combination of field and laboratory studies to investigate behavioral and physiological consequences of toxin loss and replenishment in cane toads. In a cross-sectional study, free-ranging toads were euthanized and dissected to identify correlations between toxin content and morphology /physiology. Experimental manipulations (manually expressing toxin from glands) …
Herpetofauna Of Sumak Allpa: A Baseline Assessment Of An Unstudied Island Herpetofaunal Community, Sara Freimuth
Herpetofauna Of Sumak Allpa: A Baseline Assessment Of An Unstudied Island Herpetofaunal Community, Sara Freimuth
Independent Study Project (ISP) Collection
Sumak Allpa is an island dedicated to the provision and protection of habitat for the conservation and rehabilitation of primates. As such, the island - a varzea ecosystem located in the Western Amazon of Ecuador, one of the most biodiverse and also most threatened regions in the world – consists of protected primary forest that is home not only to a variety of primates, but also to an even wider variety of other taxa, nearly all of which have gone unstudied on the island. The present investigation assessed two of those taxa, amphibians and reptiles, in order to establish a …
Blooming Mountains Of Biodiversity: An Investigation Of Angiosperms On Cerro Mayordomo, Tungurahua, Ecuador, Ella Matsuda
Blooming Mountains Of Biodiversity: An Investigation Of Angiosperms On Cerro Mayordomo, Tungurahua, Ecuador, Ella Matsuda
Independent Study Project (ISP) Collection
Ecuador is one of the most biodiverse places on the planet, and many of the species in the region are found nowhere else in the world. The cloud forest is particularly diverse because the mountainous terrain isolates populations and changes in elevation create a wide variety of habitats. Cerro Mayordomo is a relatively unexplored mountain in the cloud forest of Tungurahua, Ecuador. It is known to have very high levels of endemism and several new species have been discovered there, but the biodiversity of angiosperms on the mountain has never been quantified. In this study, 5x5 m quadrants were established …
Interacting With The Trail: A Comprehensive Approach To Developing An Environmental Education Program For Agnolakely Private Nature Reserve, Claire Hamilton
Interacting With The Trail: A Comprehensive Approach To Developing An Environmental Education Program For Agnolakely Private Nature Reserve, Claire Hamilton
Independent Study Project (ISP) Collection
Madagascar is a diverse island, biologically and geographically. This has led to the development of endemic species and high biodiversity within the landscape. Unfortunately, due to poverty, extraction of natural resources, and a growing population, these species have become threatened. Agnolakely, is a private nature reserve, located in eastern Madagascar that is trying to combat these challenges through reforestation projects and land protection. Agnolakely is not only of ecological value, but is also integral in the community structure. As Agnolakely expands it has become essential to implement education and outreach for the reserve. This study was designed to collect biological …