Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- Biodiversity (1)
- Bioenergy (1)
- Bioenergy emissions (1)
- Biogenic carbon (1)
- Biomass harvesting (1)
-
- Carbon debt (1)
- Carbon sequestration and storage (1)
- Char (1)
- Eastern North America (1)
- Forest biomass (1)
- Forest ecosystem modeling (1)
- Forest planning (1)
- Greenhouse gas accounting (1)
- Harvesting guidelines (1)
- Hortic anthrosols (1)
- Multi-criteria analysis (1)
- Multi-objective forest management (1)
- Northern hardwood forests (USA) (1)
- Northern hardwoods (1)
- Slash and burn (1)
- Soil fertility (1)
- Stand structure (1)
- Structural complexity (1)
- Structural indicators (1)
- Sustainable forestry (1)
- Swidden (1)
- Temperate forests (1)
- Terra preta (1)
Articles 1 - 4 of 4
Full-Text Articles in Physical Sciences and Mathematics
Bioenergy Harvesting Impacts On Ecologically Important Stand Structure And Habitat Characteristics, Caitlin E. Littlefield, William S. Keeton
Bioenergy Harvesting Impacts On Ecologically Important Stand Structure And Habitat Characteristics, Caitlin E. Littlefield, William S. Keeton
Rubenstein School of Environment and Natural Resources Faculty Publications
Demand for forest bioenergy fuel is increasing in the northern forest region of eastern North America and beyond, but ecological impacts, particularly on habitat, of bioenergy harvesting remain poorly explored in the peer-reviewed literature. Here, we evaluated the impacts of bioenergy harvests on stand structure, including several characteristics considered important for biodiversity and habitat functions. We collected stand structure data from 35 recent harvests in northern hardwood-conifer forests, pairing harvested areas with unharvested reference areas. Biometrics generated from field data were analyzed using a multi-tiered nonparametric uni-and multivariate statistical approach. In analyses comparing harvested to reference areas, sites that had …
Do Anthropogenic Dark Earths Occur In The Interior Of Borneo? Some Initial Observations From East Kalimantan, Douglas Sheil, Imam Basuki, Laura German, Thomas W. Kuyper, Godwin Limberg, Rajindra K. Puri, Bernard Sellato, Meine Van Noordwijk, Eva Wollenberg
Do Anthropogenic Dark Earths Occur In The Interior Of Borneo? Some Initial Observations From East Kalimantan, Douglas Sheil, Imam Basuki, Laura German, Thomas W. Kuyper, Godwin Limberg, Rajindra K. Puri, Bernard Sellato, Meine Van Noordwijk, Eva Wollenberg
Rubenstein School of Environment and Natural Resources Faculty Publications
Anthropogenic soils of the Amazon Basin (Terra Preta, Terra Mulata) reveal that pre-Colombian peoples made lasting improvements in the agricultural potential of nutrient-poor soils. Some have argued that applying similar techniques could improve agriculture over much of the humid tropics, enhancing local livelihoods and food security, while also sequestering large quantities of carbon to mitigate climate change. Here, we present preliminary evidence for Anthropogenic Dark Earths (ADEs) in tropical Asia. Our surveys in East Kalimantan (Indonesian Borneo) identified several sites where soils possess an anthropogenic development and context similar in several respects to the Amazon's ADEs. Similarities include riverside locations, …
Biogenic Vs. Geologic Carbon Emissions And Forest Biomass Energy Production, John S. Gunn, David J. Ganz, William S. Keeton
Biogenic Vs. Geologic Carbon Emissions And Forest Biomass Energy Production, John S. Gunn, David J. Ganz, William S. Keeton
Rubenstein School of Environment and Natural Resources Faculty Publications
In the current debate over the CO2 emissions implications of switching from fossil fuel energy sources to include a substantial amount of woody biomass energy, many scientists and policy makers hold the view that emissions from the two sources should not be equated. Their rationale is that the combustion or decay of woody biomass is simply part of the global cycle of biogenic carbon and does not increase the amount of carbon in circulation. This view is frequently presented as justification to implement policies that encourage the substitution of fossil fuel energy sources with biomass. We present the opinion that …
Carbon Storage, Timber Production, And Biodiversity: Comparing Ecosystem Services With Multi-Criteria Decision Analysis, W. Scott Schwenk, Therese M. Donovan, William S. Keeton, Jared S. Nunery
Carbon Storage, Timber Production, And Biodiversity: Comparing Ecosystem Services With Multi-Criteria Decision Analysis, W. Scott Schwenk, Therese M. Donovan, William S. Keeton, Jared S. Nunery
Rubenstein School of Environment and Natural Resources Faculty Publications
Increasingly, land managers seek ways to manage forests for multiple ecosystem services and functions, yet considerable challenges exist in comparing disparate services and balancing trade-offs among them. We applied multi-criteria decision analysis (MCDA) and forest simulation models to simultaneously consider three objectives: (1) storing carbon, (2) producing timber and wood products, and (3) sustaining biodiversity. We used the Forest Vegetation Simulator (FVS) applied to 42 northern hardwood sites to simulate forest development over 100 years and to estimate carbon storage and timber production. We estimated biodiversity implications with occupancy models for 51 terrestrial bird species that were linked to FVS …