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Articles 61 - 90 of 103
Full-Text Articles in Forest Sciences
Counting Crabs: Assessment Of Mangrove Crab Diversity And Density Among Three Sites In Ushongo, Tanzania, Clarasophia Gust
Counting Crabs: Assessment Of Mangrove Crab Diversity And Density Among Three Sites In Ushongo, Tanzania, Clarasophia Gust
Independent Study Project (ISP) Collection
This study assessed the density and diversity of crabs across three mangrove forest zones in Ushongo, Tanzania. The aim was to understand variance in the composition and distribution of mangrove crabs in relation to mangrove tree composition gradients in the area. Sites were measured using a 200m line transect and 40-plot method. Data was also collected from a sand beach habitat to compare to the diversity and distribution of mangrove habitats. Diversity was analyzed using Simpson’s Index of Diversity and an ANOVA test on the average number of species found per plot in each site. Density was analyzed using an …
An Ethnobotanical Examination Of Traditional Medicine In Ngezi Forest Reserve, Tyler Tsang
An Ethnobotanical Examination Of Traditional Medicine In Ngezi Forest Reserve, Tyler Tsang
Independent Study Project (ISP) Collection
Traditional medicine is an important aspect of the both the culture and health of communities worldwide. Ngezi Forest Reserve is a protected area on Pemba Island which is part of the Zanzibar Archipelago. This forest contains a wealth of botanical diversity which includes many species of medicinal plants. Traditional healers (waganga) use these medicinal plants to heal members of the community. Interviews and forest walks with these healers were supplemented by consultations with a botanist to determine medicinal value of the forest and the surrounding areas. In compiling information from 15 healers in the area, 98 species of medicinal plants …
Prevalence Of Moniliophthora Roreri In Theobroma Cacao In Relation To Clone Variety, Community Composition, Environmental Factors In An Organic Cacao Farm In Charagre, Bocas Del Toro, Panamá: A Case Study, Kara Eckberg
Independent Study Project (ISP) Collection
Moniliophthora roreri, or Frosty Pod Rot (FPR) is a widespread pathogen that affects the fruit of Theobroma cacao, a tree commonly known as the cacao tree. Often, cultivators seek to control spread of M. roreri through fungicidal compounds. However, these fungicides place selective pressure for resistance on M. roreri. Additionally, they can have adverse environmental and human health effects and are difficult to integrate into practice for smallholders. Therefore organic farms in Bocas del Toro in western Panama, have turned to biocontrol agents to reduce the spread of M. roreri. These strategies include increasing hybrid variety, modifying community composition, altering …
Carbon Sequestration In The Cloud Forest: A Comparative Evaluation Of Aboveground Biomass Carbon Stock Potential In The Río Guajalito Reserve, Elli Mapstone
Independent Study Project (ISP) Collection
As carbon dioxide levels in the atmosphere continue to rise at a rapid rate, it is necessary to understand how forests can both contribute to CO2 levels but also stop them from rising. Carbon sequestration levels in tropical montane cloud forests are a relatively understudied topic. Gathering carbon stock levels is the first step necessary to start a REDD+ project. Carbon stock levels can be studied on a global, regional or local level. This study used the University of Oxford/ Global Ecosystems Monitoring Network (GEM) methodology to examine carbon sequestration levels of aboveground biomass, specifically ground litter, large branches …
A Study Of Reptile Community Diversity Related To Habitat Characteristics At Marojejy National Park, Julia Kowala
A Study Of Reptile Community Diversity Related To Habitat Characteristics At Marojejy National Park, Julia Kowala
Independent Study Project (ISP) Collection
Marojejy National Park is known for its diversity. Though it is home to the silky sifaka, it has extensive populations of herpetofauna. Seventy-seven species of reptiles have been documented in Marojejy National Park. This study aimed to evaluate the reptile community diversity and habitat characteristics in the park through systematic searches of ten-by-ten-meter plots, and inventory of species as they were found throughout the park. Systematic searches yielded the finding of 19 of the total 25 species identified. Some species that were found had not been previously seen at Marojejy before, most notably, Brookesia sp. “Nosy Hara”, Brookesia desperata, Furcifer …
Community Management And Governance Of Comatsa-Sud New Protected Area (Ambalamanasy Ii Commune), Allison Tennant
Community Management And Governance Of Comatsa-Sud New Protected Area (Ambalamanasy Ii Commune), Allison Tennant
Independent Study Project (ISP) Collection
Community-based natural resource management is an increasingly more popular choice for governments to delegate power back to local communities to conserve the resources they rely on. In Madagascar, where much of the rural population provides for their livelihoods by using natural resources, this governance structure, in cooperation with delegated manager for assistance, presents an opportunity for economic development in cooperation with conservation efforts. This paper aims to better understand the role of community, NGO, and governmental actors in creating and executing community management structures. Through Participatory Rural Analysis and structured and semi-structured interviews, it explores what management transfers look like …
Survey Of Invasive Lantana Camara At Makirovana-Tsihomanaomby Forest Complex, Eliza Pessereau
Survey Of Invasive Lantana Camara At Makirovana-Tsihomanaomby Forest Complex, Eliza Pessereau
Independent Study Project (ISP) Collection
Lantana camara is a shrub known globally as an invasive pest that grows primarily in degraded areas. The species is known to exist at Makirovana-Tsihomanaomby, a forest complex in northeastern Madagascar with 167 endemic species of flora and fauna, several of which are on the IUCN Red List. The complex, specifically Tsihomanaomby forest, is used as a resource for the three rural communes that live on its outskirts, meaning that it experiences much human activity. The objective of this study was to survey the population of L. camara at two sites: one just outside of the Tsihomanaomby forest and one …
The Roles Of Activism And Citizen Science In The Area Covered By The East Gippsland Regional Forest Agreement, Ian Corbet
Independent Study Project (ISP) Collection
For this Independent Study Project, I have examined the roles of activism and citizen science under the East Gippsland Regional Forestry Act. I conducted the study in the hopes of understanding better how activists have contributed to the overall conservation of the forests of East Gippsland. As the government has recently extended the twenty year agreement for another year, I wanted to determine if the real stakeholders of the conservation movement were taken into account. I sought the perspectives of people involved in the either the administration, implementation or opposition to the RFA. This ended up being eight people in …
Monitoring Anuran Populations In Bosque Protector Candelaria: A Multi-Year Comparison Of Frog Populations In An Ecuadorian Cloud Forest, Mindee Goodrum
Monitoring Anuran Populations In Bosque Protector Candelaria: A Multi-Year Comparison Of Frog Populations In An Ecuadorian Cloud Forest, Mindee Goodrum
Independent Study Project (ISP) Collection
For many years, amphibian populations around the world have been declining due to climate change, habitat loss or change, and diseases such as Ranavirus or the Chytrid fungus. However, there is still a great lack of information regarding the diversity of frogs, especially in the cloud forests of Ecuador where this study was conducted. This study was conducted in April and May of 2017 in the Ecominga Reserve of Cerro Candelaria in El Placer, Ecuador. The objective was to conduct visual-encounter surveys of several sites in the reserve and compare the results to studies that have been conducted in the …
Decadal Vegetation Succession Along A Chronosequence Within Eucalyptus Obliqua Wet Forest, Southern Tasmania, Christine Dobbin
Decadal Vegetation Succession Along A Chronosequence Within Eucalyptus Obliqua Wet Forest, Southern Tasmania, Christine Dobbin
Independent Study Project (ISP) Collection
Southern Tasmania is home to fire dependent mixed forests, which, if not maintained, will eventually be replaced by the rainforest understorey. Wet eucalypt forest succession after disturbance events was investigated through floristic and vertical measurements of four north facing chronosequence plots with labels describing the age class of each, from regrowth to mature sites. This study was possible due to the establishment of permanent 50m x 50m plots in 2007 for longitudinal monitoring and subsequent illustration of forest dynamics following disturbance, including clearfell burns and wildfire. The contents of this report are the comparative analyses of the findings from the …
Herpetoplogical Survey Across Three Distinct Habitats In Ankarana National Park: Long-Term Effects Of Past Land Use On Species Composition In And Around The Park, Julia Park
Independent Study Project (ISP) Collection
Ankarana National Park is home to a diverse population of herpetofauna. In this study, three distinct habitats in and around Ankarana National Park were surveyed for herpetological diversity. These habitats were defined as the deciduous forest located within the “tsingy” limestone karst canyons, the dry deciduous forest outside of the canyons, within the borders of the park, and the anthropogenically affected forest outside of the park’s borders, which is subject to logging and fruit tree harvesting. A total of 27 species of herpetofauna – six amphibian and 21 reptile species were found over the course of twelve days of surveying …
Pteropus Voeltzkowi And The Understory: A Study Of The Behavioral Impacts Of The Pemba Flying Fox On The Vegetation And Soil Quality Of Pemba Island, Lea Davidson
Independent Study Project (ISP) Collection
This study examines the impact of Pteropus voeltzkowi , colloquially known as the Pemba Flying Fox, on biodiversity and health of the forest ground layer. Known to serve as reforesters, high concentrations of both fruit seeds and nutrient dense guano are introduced into specific environmental locations due to the bat's behavioral patterns. Working around two roost locations, one in Ngezi Forest and the other at the Kidike conservation site near Mjini Ole, diversity of juvenile vegetation was measured and quantified. In a laboratory setting, soil samples from both sites were analyzed for impacts of guano concentration on soil chemical properties. …
The Importance Of Rivers In Protected Areas: Macroinvertebrate Sampling Reveals The Impact Of Humans And Highways On Water Quality, Marie-Claire Harrison
The Importance Of Rivers In Protected Areas: Macroinvertebrate Sampling Reveals The Impact Of Humans And Highways On Water Quality, Marie-Claire Harrison
Independent Study Project (ISP) Collection
The water quality and level of contamination of two rivers in a cloud forest ecosystem in the Mejía region of Ecuador, the Tupí River and the Pilatón River were assessed through benthic macroinvertebrate sampling at various sites along the rivers. Many different biological indices were then used to assess water quality at each site. Pollution in the form of grey water, black water, and petroleum negatively impacted the water quality of the both rivers as they pass through the town of La Esperie. Differences in river structure and size also played a role in determining the prevalence of certain benthic …
Evaluation Des Impacts Sociaux Et Ecologiques De La Gestion Communautaire De La Forêt D’Analabe, Nicole Israel-Meyer
Evaluation Des Impacts Sociaux Et Ecologiques De La Gestion Communautaire De La Forêt D’Analabe, Nicole Israel-Meyer
Independent Study Project (ISP) Collection
Le transfert de gestion des forêts de l’Etat vers les communautés locales est l’une des approches que le gouvernement malgache a implémentées pour à la fois conserver la biodiversité locale et continuer le développement rural. Cette étude cherche à comprendre les impacts sociaux et écologiques de la gestion communautaire de la forêt d’Analabe par le VOI Fanarenana. La forêt d’Analabe se trouve dans le secteur d’Antanandava du district Majunga II dans le nord-ouest du pays. En utilisant une méthodologie mixte, l’étude a exposé que dans les trois ans d’opération du VOI Fanarenana, la forêt est plus saine et la majorité …
The Use Versus Availability Of Wood Extraction At The Baga Ii Forest Reserve Border Adjacent To Kizanda Village In The West Usambara Mountains, Tanzania, Rebecca Halter
Independent Study Project (ISP) Collection
Tropical forests, especially in developing countries, continue to face serious threats of deforestation due to human pressures and poor management. These forests are at risk of disappearing and taking their water catchment and ecosystem services with them. Kizanda Villagers’ illegal woodfuel and polewood extraction poses a threat to the future health and existence of the Baga II Forest. This study, conducted from April 5th to April 19th, 2016, aimed to examine the use versus availability of tree species along the forest border. Twenty disturbance transects, each 4 meters wide, were conducted perpendicular to the Baga II forest border. The transects …
An Avian Biological Gradient Across Tropical Dry Lowland Local Habitats At Playa Venao, Los Santos Province, Panama, Abigail Thomas
An Avian Biological Gradient Across Tropical Dry Lowland Local Habitats At Playa Venao, Los Santos Province, Panama, Abigail Thomas
Independent Study Project (ISP) Collection
There are a myriad of forest types within Panama, varying by elevation, precipitation and other abiotic factors, which hosts a wide variety of native and migratory species in uniquely-structured avian communities. Panama has been well assessed for presence and distribution of its 987 collective avian species (Angehr, 2014). However most studies in Panama have been broad in scope, overlooking the highly specified habitats that are uniquely structured to host a certain range of avifauna communities. The distinctions in community structure of avifauna along a coastal to inland gradient were assessed among three specialized habitats: the Central Pacific coast, partially deforested …
Assessing The Sustainability Of Selective Logging In Ankarabolava-Agnakatrika New Protected Area, Eileen Nakahata
Assessing The Sustainability Of Selective Logging In Ankarabolava-Agnakatrika New Protected Area, Eileen Nakahata
Independent Study Project (ISP) Collection
Over the past 50 years, more than 90% of dense low-altitude humid forest in the District of Vangaindrano has been lost to deforestation and the remaining fragments continue to be threatened by slash and burn agriculture and selective cutting by local populations. These activities are driven by widespread poverty, population growth, and lack of development, which have made subsistence increasingly difficult. This study investigates logging rates and the stock of five commercially valuable trees in the Ankarabolava-Agnakatrika New Protected Area. Fifteen 1000m2 transects were established systematically within the territory of the Matanga commune. Within each transect data was collected …
Taking Root: An Analysis Of The Best Method For Active Forest Regeneration In The Cloud Forest, Charlotte Startin
Taking Root: An Analysis Of The Best Method For Active Forest Regeneration In The Cloud Forest, Charlotte Startin
Independent Study Project (ISP) Collection
The cloud forest is a biodiversity hotspot and provides many vital ecological and economic services. Unfortunately, deforestation for pastures in the lower montane cloud forest is high. Many pastures become abandoned, leaving highly disturbed open areas of land where natural forest regeneration is poor. Human intervention to encourage ecological restoration is very important to re-establish the proper structure and functioning of the ecosystem. Forest regeneration projects are rare and often unsuccessful, which is why increased knowledge and skills of successful and practical methods for assisted regeneration are needed. The Inti Llacta Reserve in the Pichincha province in Ecuador protects a …
Ficus Sp. Y La Frugivoría: Una Investigación Sobre Un Recurso Importante Para Las Aves En El Bosque Nublado Occidental Del Ecuador, Hilary Niles
Independent Study Project (ISP) Collection
Ocho plantas fructíferas de Ficus sp. (Moraceae) fueron monitoreadas durante 16 días en la reserva La Hesperia en el bosque nublado al oeste del Ecuador; esto con el objetivo de entender mejor los patrones de la frugivoría aviar y la relación entre las aves y el género Ficus. Se observaron aves durante el 70.8% de las visitas de observación, en las que se registraron 326 individuos, 28 especies, y 7 familias comiendo la fruta de las plantas de Ficus. La mayoría (74.5%) de las aves observadas perteneció a la familia Thraupidae, siendo las dos especies predominantes Tangara gyrola …
Killing To Save: Trophy Hunting And Conservation In Mongolia, Lucy Page
Killing To Save: Trophy Hunting And Conservation In Mongolia, Lucy Page
Independent Study Project (ISP) Collection
Since transitioning to capitalism in 1990, Mongolia’s wildlife has faced growing threats from the development of infrastructure, increasing livestock populations, and the expansion of an illegal trade in wildlife products. As wildlife populations face these growing risks, Mongolia needs to develop and implement strong wildlife management practices, including tighter enforcement of existing wildlife trade laws, more frequent wildlife population studies, and better legislation. However, these revisions will require significant funding. Trophy hunting, the system through which the Mongolian government sells wealthy foreigners expensive permits to hunt species like argali, ibex, wolf, and roe deer, may be a major source for …
The Optimal Foraging Of Equus Burchelli At Enashiva Nature Refuge, Edward Haubenreiser
The Optimal Foraging Of Equus Burchelli At Enashiva Nature Refuge, Edward Haubenreiser
Independent Study Project (ISP) Collection
Within the country of Tanzania lies a vast ecosystem known as the Serengeti. This unique landscape, primarily of grasslands and woodlands, shapes the seasonal feeding habits of the abundant wildlife that call the area home. While these feeding habits on a large spatial scale are well understood, such behavior within a specie’s specific environment remains of interest. With the theory of optimal foraging in mind, which considers how animals should look for and select food (Green, 1990), I studied the foraging habits of resident Burchell’s zebra (Equus burchelli) by observing if they move and forage among distinct resource …
Plant Community Structure Over An Elevation Gradient In Manongarivo Special Reserve, Madagascar, Scott Sugden
Plant Community Structure Over An Elevation Gradient In Manongarivo Special Reserve, Madagascar, Scott Sugden
Independent Study Project (ISP) Collection
This study examines how plant community structure changes across an elevation gradient in Manongarivo Special Reserve, Madagascar. Three vegetation surveys were conducted at each of six different elevations (300m, 500m, 700m, 850m, 1000m, 1150m) on the southern slope of Bekolosy Mountain, near the southwestern border of the reserve. Each of these surveys focused on the diameter, height, and crown position of trees in a 156.25m2 plot, as well as the presence or absence of mosses and vines. At each of the six survey elevations, point-quadrat vertical structure data was also collected for the underbrush, up to a maximum height of …
Demographic Survey Of The Sohisika (Schizolaena Tampoketsana) At Ankafobe, Madagascar, James Lucas
Demographic Survey Of The Sohisika (Schizolaena Tampoketsana) At Ankafobe, Madagascar, James Lucas
Independent Study Project (ISP) Collection
No abstract provided.
Trail Degradation In Parque Internacional La Amistad: An Intersection Of Design, Management And Use, Jordan Stark
Trail Degradation In Parque Internacional La Amistad: An Intersection Of Design, Management And Use, Jordan Stark
Independent Study Project (ISP) Collection
National parks are created and used for a variety of purposes but are primarily important for the conservation of natural resources and use by visitors. While park use is meant to be non-destructive, human interaction causes changes in ecosystems, leading to conflicts between these goals. Here, I examine the causes of trail degradation and impacts on surrounding forests in Parque Internacional la Amistad (PILA), Panama. This park is a world heritage site with the primary goal of preserving some of the world’s most diverse ecosystems including rare and endangered species. However, the park entrance in Las Nubes, Cerro Punta receives …
Las Raíces De La Deforestación En El Departamento Pando, Jeremy Levine-Drizin
Las Raíces De La Deforestación En El Departamento Pando, Jeremy Levine-Drizin
Independent Study Project (ISP) Collection
This research paper examines the phenomenon of the recent trend of deforestation in the Pando department in northwestern Bolivia. Historically, the economy of Pando has always been based primarily in agro-forestal extraction activities that provided income to communities without the need to destroy the surrounding forests. The most important of these agro-forestal products have been rubber (primarily during the beginning of the 20th century) and more recently Castaña (Brazilian Nut). Recently however, as the result of various forces, the inhabitants of Pando have begun to cut down there forests at an alarming rate. The most relevant causes of this phenomenon …
Going Green And Staying Sustainable: Community Based Tree-Planting Projects In Mongolia, Rachel Klassen
Going Green And Staying Sustainable: Community Based Tree-Planting Projects In Mongolia, Rachel Klassen
Independent Study Project (ISP) Collection
Community based tree planting projects are abundant in Mongolia and have become a popular form of social movement towards promoting a healthy environment. With so many different varieties of tree planting projects in Mongolia, it is necessary to evaluate how well the different forms of Community-based tree planting projects function. The first research question created to access said Community projects is, are Community based tree planting projects environmentally sustainable? And the second, are Community-based tree planting projects in Mongolia sustainable from an organizational standpoint? To answer these questions interviews, surveys and case studies were given in the three …
Perdido En La Cadena: Un Análisis Del Impacto Económico Y Ambiental De Cajas De Embalaje En Baños, Ecuador, Zhang Yuan
Perdido En La Cadena: Un Análisis Del Impacto Económico Y Ambiental De Cajas De Embalaje En Baños, Ecuador, Zhang Yuan
Independent Study Project (ISP) Collection
La cuestión del calentamiento de la atmósfera causa de la pérdida del carbono de la biomasa está una preocupación a nivel mundial. Con la emisión de CO2 por la combustión de los combustibles fósiles, la temperatura ha subido aproximadamente 0.16 °C desde 1990 hasta 2000. El bosque, por otra parte, sirve como un tranque y el regulador de carbono mediante el intercambio de carbono entre la atmósfera y biosfera. Sin embargo, varios usos antropogénicos del bosque ha causado la desaparición de árboles y la gran pérdida de carbono de la biomasa global. Para medir la pérdida de carbono causada por …
Nunca Han Visitado, No Han Vivido Ecoturismo Comunitario: Una Alternativa Sostenible Y Constitucional De Desarrollo En La Zona De Intag, Jenny Johnston
Nunca Han Visitado, No Han Vivido Ecoturismo Comunitario: Una Alternativa Sostenible Y Constitucional De Desarrollo En La Zona De Intag, Jenny Johnston
Independent Study Project (ISP) Collection
Durante mi estudio en Ecuador y a través de todas mis clases, conversaciones, y experiencias, han habido muchos temas nuevos e interesantes. Aunque todas me han enseñado mucho, la experiencia que me impactó más fue mi semana en Intag. Durante toda mi vida siempre tuve una fascinación con el bosque nublado con la combinación de palabras más mística y romántica. La verdad es que antes de llegar en Intag la mi primera vez, no sabía nada sobre el poder de la belleza de los bosques, la naturaleza, y también sobre la lucha en contra de la minería. A través de …
“Hariyo Ban Nepalko Dhan” (“Nepal’S Wealth Is The Green Forest”): The People’S Participation In Structuring Sustainable Development Through Community Forestry, Natasha Eulberg
Independent Study Project (ISP) Collection
Community forestry has a long history in Nepal, and despite the nationalization of the country’s forests in the mid-twentieth century, current legislation determines that rights and execution of community forest management lies largely with community forest user groups (CFUGs). This research questions to what extent CFUGs truly represent autonomous bodies with the full power and ability to manage and utilize community forests and forest resources. This research also seeks to determine the impact and distribution of CFUG operations and benefits on CFUG members, and the ways in which CFUG management practices have impacted how group members perceive and interact with …
Deforestación En El Corredor De Sangay- Llanaganates, Ecuador: Un Análisis Con Gps Y Satélite, Joel Mandella
Deforestación En El Corredor De Sangay- Llanaganates, Ecuador: Un Análisis Con Gps Y Satélite, Joel Mandella
Independent Study Project (ISP) Collection
Esta investigación usa puntos de GPS e imágenes de satélite para marcar los sitios de deforestación en el programa Google Earth de una región de Ecuador—una región nunca estudiada en este caso. La región estudiada se extiende desde 1º 20.200’S al norte hasta 1º 30.200’S al sur, y 78º 30.128’W al oeste hasta 78º 0.128’W al este. Esta región está ubicada en la provincia de Tungurahua, Ecuador, con la ciudad de Baños de Agua Santa al extremo oeste, y la ciudad de Puyo al extremo este. La economía de la región es basada en la agricultura y la crianza de …