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- Acer rubrum L. (1)
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Articles 1 - 9 of 9
Full-Text Articles in Forest Sciences
Sampling Effort And Uncertainty In Leaf Litterfall Mass And Nutrient Flux In Northern Hardwood Forests, Yang Yang, Ruth D. Yanai, Craig R. See, Mary A. Arthur
Sampling Effort And Uncertainty In Leaf Litterfall Mass And Nutrient Flux In Northern Hardwood Forests, Yang Yang, Ruth D. Yanai, Craig R. See, Mary A. Arthur
Forestry and Natural Resources Faculty Publications
Designs for litterfall sampling can be improved by understanding the sources of uncertainty in litterfall mass and nutrient concentration. We compared the coefficient of variation of leaf litterfall mass and nutrient concentrations (nitrogen, phosphorus, calcium, magnesium, and potassium) at different spatial scales and across years for six northern hardwood species from 23 stands in the White Mountains of New Hampshire, USA. Stands with steeper slopes (P = 0.01), higher elevations (P = 0.05), and more westerly aspect (P = 0.002) had higher interannual variation in litter mass, probably due to a litter trap design that allowed litter …
Establishing Pine Monocultures And Mixed Pine-Hardwood Stands On Reclaimed Surface Mined Land In Eastern Kentucky: Implications For Forest Resilience In A Changing Climate, Geoffrey Bell, Kenton L. Sena, Christopher D. Barton, Michael French
Establishing Pine Monocultures And Mixed Pine-Hardwood Stands On Reclaimed Surface Mined Land In Eastern Kentucky: Implications For Forest Resilience In A Changing Climate, Geoffrey Bell, Kenton L. Sena, Christopher D. Barton, Michael French
Forestry and Natural Resources Faculty Publications
Surface mining and mine reclamation practices have caused significant forest loss and forest fragmentation in Appalachia. Shortleaf pine (Pinus echinata) is threatened by a variety of stresses, including diseases, pests, poor management, altered fire regimes, and climate change, and the species is the subject of a widescale restoration effort. Surface mines may present opportunity for shortleaf pine restoration; however, the survival and growth of shortleaf pine on these harsh sites has not been critically evaluated. This paper presents first-year survival and growth of native shortleaf pine planted on a reclaimed surface mine, compared to non-native loblolly pine ( …
Consequences Of Severe Habitat Fragmentation On Density, Genetics, And Spatial Capture-Recapture Analysis Of A Small Bear Population, Sean Mccarthy Murphy, Ben C. Augustine, Wade Allen Ulrey, Joseph Maddox Guthrie, Brian K Scheick, J. Walter Mccown, John J. Cox
Consequences Of Severe Habitat Fragmentation On Density, Genetics, And Spatial Capture-Recapture Analysis Of A Small Bear Population, Sean Mccarthy Murphy, Ben C. Augustine, Wade Allen Ulrey, Joseph Maddox Guthrie, Brian K Scheick, J. Walter Mccown, John J. Cox
Forestry and Natural Resources Faculty Publications
Loss and fragmentation of natural habitats caused by human land uses have subdivided several formerly contiguous large carnivore populations into multiple small and often isolated subpopulations, which can reduce genetic variation and lead to precipitous population declines. Substantial habitat loss and fragmentation from urban development and agriculture expansion relegated the Highlands-Glades subpopulation (HGS) of Florida, USA, black bears (Ursus americanus floridanus) to prolonged isolation; increasing human land development is projected to cause ≥ 50% loss of remaining natural habitats occupied by the HGS in coming decades. We conducted a noninvasive genetic spatial capture-recapture study to quantitatively describe the …
The Impact Weather Has On Nyc Citi Bike Share Company Activity, Mark Martinez
The Impact Weather Has On Nyc Citi Bike Share Company Activity, Mark Martinez
Journal of Environmental and Resource Economics at Colby
This paper seeks to figure out the effect weather has on individuals’ behavior. A more focused approach to determining this effect is seeing how different weather conditions ranging from the temperature, the precipitation, the amount of inches of snowfall and the wind speed effect the ridership of Citi Bikes throughout all four seasons. The approach of this research paper is using data from the National Climatic Data Center that focuses in on the weather found in Manhattan, New York and correlates each of the weather conditions to the total number of trips per day that is provided by the Citi …
The Effects From Public Transportation On Property Values: A Closer Look At Scituate, Hanover, And Norwell, Massachusetts, Alexandra Taylor Perticone, Christine S. Coveney
The Effects From Public Transportation On Property Values: A Closer Look At Scituate, Hanover, And Norwell, Massachusetts, Alexandra Taylor Perticone, Christine S. Coveney
Journal of Environmental and Resource Economics at Colby
Prior studies have expressed the value of location in real estate, but more recent studies have explored the influence that public transportation has had on housing prices. Access to public transportation is understood to increase the value of homes. Easier access to public transportation allows for shorter and more convenient commutes into or within cities. However, other studies have found that proximity to public transportation can also have adverse effects on property values. This paper investigates whether the implementation of the Greenbush Commuter line in Massachusetts in October 2007 increased the housing prices in Scituate, Ma--the furthest town from the …
Invited Introduction To Jerec, Matthew Kahn
Invited Introduction To Jerec, Matthew Kahn
Journal of Environmental and Resource Economics at Colby
No abstract provided.
Welcome By The Editor, Nathan W. Chan
Welcome By The Editor, Nathan W. Chan
Journal of Environmental and Resource Economics at Colby
No abstract provided.
Mining Site Reclamation Planning Based On Land Suitability Analysis And Ecosystem Services Evaluation: A Case Study In Liaoning Province, China, Jiali Wang, Fuqiang Zhao, Jian Yang, Xiaoshu Li
Mining Site Reclamation Planning Based On Land Suitability Analysis And Ecosystem Services Evaluation: A Case Study In Liaoning Province, China, Jiali Wang, Fuqiang Zhao, Jian Yang, Xiaoshu Li
Forestry and Natural Resources Faculty Publications
Restoration of the degraded ecosystem is a global priority for achieving sustainable development. Although increasing ecosystem service is an important goal of ecological restoration, it is rarely used to inform mine reclamation. This study proposed a reclamation strategy that incorporated land suitability analysis and ecosystem service evaluation for a mining site in Liaoning Province, China. We assessed the land suitability for three reclamation alternatives and identified suitable land uses for each location by comparing their suitability levels. For areas that were suitable for multiple land uses with the same suitability level, the future land uses cannot be identified by land …
Evaluation Of Modis Land Surface Temperature Data To Estimate Near-Surface Air Temperature In Northeast China, Yuan Z. Yang, Wen H. Cai, Jian Yang
Evaluation Of Modis Land Surface Temperature Data To Estimate Near-Surface Air Temperature In Northeast China, Yuan Z. Yang, Wen H. Cai, Jian Yang
Forestry and Natural Resources Faculty Publications
Air temperature (Tair) near the ground surface is a fundamental descriptor of terrestrial environment conditions and one of the most widely used climatic variables in global change studies. The main objective of this study was to explore the possibility of retrieving high-resolution Tair from the Moderate Resolution Imaging Spectroradiometer (MODIS) land surface temperature (LST) products, covering complex terrain in Northeast China. The All Subsets Regression (ASR) method was adopted to select the predictors and build optimal multiple linear regression models for estimating maximum (Tmax), minimum (Tmin), and mean (Tmean) air temperatures. …