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- Aspen Bibliography (15)
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Articles 1 - 30 of 39
Full-Text Articles in Forest Sciences
The World Of Underground Ecology In A Changing Environment, Elsa Abs, Moira Hough
The World Of Underground Ecology In A Changing Environment, Elsa Abs, Moira Hough
Michigan Tech Publications
This special feature presents state-of-the-art soil ecological science and was sparked following the 2-day long online live event entitled “Ecology Underground” during the Ecological Society of America annual meeting of 2020. Here, we, the co-guest-editors of this special feature, present this body of research in context of the current state of the field. This issue highlights that we are currently in a hot time for microbial research in soil science. Specifically, we find that two themes emerge from this corpus as key next questions to answer to move the field forward. How do microbial processes scale up in space and …
Conservation And Variation In Agricultural Landscapes: A Survey Of Insect Populations Across Naranjilla Cultivation Methods In The Eastern Andean Cloud Forest, Ian Zakelj
Independent Study Project (ISP) Collection
This study compared insect biodiversity among five sites in agricultural landscapes and natural forest in the El Placer community in the valley of the Rio Pastaza in the eastern Andean cloud forest. The area is of vital importance to conservation, as it falls in the ecological corridor between the Sangay and Llanganates national parks. The primary crop produced by the residents of El Placer is naranjilla, and it is cultivated in a variety of manners, mostly with intensive chemical use. The goal of the study was to find out which types of practices were the least harmful to the insect …
Pinyon-Juniper Ecology And Management, Gabrielle Harden, Darren Mcavoy
Pinyon-Juniper Ecology And Management, Gabrielle Harden, Darren Mcavoy
All Current Publications
This fact sheet describes pinyon-juniper ecology, expansion, and management.
Using Dendrochronology To Create A Timescale Of Succession On Nurse Logs In The Olympic Temperate Rainforest, Sean Grealish
Using Dendrochronology To Create A Timescale Of Succession On Nurse Logs In The Olympic Temperate Rainforest, Sean Grealish
Summer Research
Previous work on the Olympic peninsula in Washington State has shown that recently fallen trees provide a germination location for seeds that cannot do so on the forest floor due to thick moss mats. My field work over two summers dating and surveying nurse logs yielded a crossover at ~70 years where ground mosses start to dominate over tree mosses and seedling abundance begins to decrease.
Authors And Editors Assort On Gender And Geography In High-Rank Ecological Publications, Kezia R. Manlove, Rebecca M. Belou
Authors And Editors Assort On Gender And Geography In High-Rank Ecological Publications, Kezia R. Manlove, Rebecca M. Belou
Wildland Resources Faculty Publications
Peer-reviewed publication volume and caliber are widely-recognized proxies for academic merit, and a strong publication record is essential for academic success and advancement. However, recent work suggests that publication productivity for particular author groups may also be determined in part by implicit biases lurking in the publication pipeline. Here, we explore patterns of gender, geography, and institutional rank among authors, editorial board members, and handling editors in high-impact ecological publications during 2015 and 2016. A higher proportion of lead authors had female first names (33.9%) than editorial board members (28.9%), and the proportion of female first names among handling editors …
Food Habits Of Sympatric Pitvipers From The West Gulf Coastal Plain, Usa, Christopher M. Schalk, Toni Trees, Joshua B. Pierce, D. Craig Rudolph
Food Habits Of Sympatric Pitvipers From The West Gulf Coastal Plain, Usa, Christopher M. Schalk, Toni Trees, Joshua B. Pierce, D. Craig Rudolph
Faculty Publications
Widespread species that occupy multiple communities exhibit geographic variation in their natural history due to the ecological context of the local community. An animal’s food habitats are a central component to understanding its natural history and ecological role within its community—information that is critical to understanding resource needs of a species, mechanisms of species coexistence, and energy flow in food webs (Litvaitis 2000; Schalk et al. 2014). This information is also crucial for predicting the response of populations to changes in resource availability and, if necessary, inform mitigation strategies (Holycross and Mackessy 2002)
Hylocomium Splendens: Microhabitat Selection And Potential Role In Forest Succession, Anna Marchand, Carrie Woods
Hylocomium Splendens: Microhabitat Selection And Potential Role In Forest Succession, Anna Marchand, Carrie Woods
Summer Research
Fallen logs play an essential role in the temperate rainforest ecosystem by providing a safe site for tree establishment, with seedling abundance being much greater on nurse logs than on the ground. This disparity is likely due to differences in competition with bryophytes between microsites. Hylocomium splendens, a moss that dominates the forest floor of temperate rainforests, could potentially inhibit tree seedling growth, but little is known about its microhabitat distribution. We found that stairstep moss grows more abundantly in areas of high canopy openness, and that nurse logs have lower canopy openness in comparison to the forest floor. Fittingly, …
Slides: Flpma In Its Historical Context, John D. Leshy
Slides: Flpma In Its Historical Context, John D. Leshy
FLPMA Turns 40 (October 21)
Presenter: John D. Leshy, Sunderland Distinguished Professor of Law Emeritus, U.C. Hastings College of the Law
36 slides
This session traces the history of FLPMA including, among other things, its legislative, administrative, and historical antecedents, including for example, the Public Land Law Review Commission’s 1970 report, One Third of Our Nation’s Lands. It then considers FLPMA’s unique public lands policies and requirements and how they are reflected in the BLM’s management of public lands today.
See: https://www.nps.gov/parkhistory/online_books/blm/history/contents.htm
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 …
Changes In Plant Species Composition And Structure In Two Peri-Urban Nature Preserves Over 10 Years, Rebecca W. Dolan, Jessica D. Stepens, Marcia E. Moore
Changes In Plant Species Composition And Structure In Two Peri-Urban Nature Preserves Over 10 Years, Rebecca W. Dolan, Jessica D. Stepens, Marcia E. Moore
Scholarship and Professional Work - LAS
Peri-urban natural areas, at the boundaries of cities and adjacent agricultural/rural land, are subject to ecological threats endemic to both land use types. We used permanent plots to document changes in habitat quality by monitoring herbaceous-layer plant species presence and cover over a decade (1996/97 and 2007) in two peri-urban nature preserves in central Indiana, U.S.A. The preserves are comprised of different forest community types: wet-mesic depressional forest and mesic upland forest. Habitat characteristics, based on Floristic Quality Assessment parameters, showed only a single change for either preserve between survey years: wetness values were lower in the wet-mesic depressional site …
Conservation In The Context Of Climate Change: Practical Guidelines For Land Protection At Local Scales, Kevin Ruddock, Peter V. August, Christopher Damon, Charles Labash, Pamela Rubinoff, Donald Robadue Jr.
Conservation In The Context Of Climate Change: Practical Guidelines For Land Protection At Local Scales, Kevin Ruddock, Peter V. August, Christopher Damon, Charles Labash, Pamela Rubinoff, Donald Robadue Jr.
Natural Resources Science Faculty Publications
Climate change will affect the composition of plant and animal communities in many habitats and geographic settings. This presents a dilemma for conservation programs – will the portfolio of protected lands we now have achieve a goal of conserving biodiversity in the future when the ecological communities occurring within them change? Climate change will significantly alter many plant communities, but the geophysical underpinnings of these landscapes, such as landform, elevation, soil, and geological properties, will largely remain the same. Studies show that extant landscapes with a diversity of geophysical characteristics support diverse plant and animal communities. Therefore, geophysically diverse landscapes …
Frequent Arousals From Winter Torpor In Rafinesque's Big-Eared Bat (Corynorhinus Rafinesquii), Joseph S. Johnson, Michael J. Lacki, Steven C. Thomas, John F. Grider
Frequent Arousals From Winter Torpor In Rafinesque's Big-Eared Bat (Corynorhinus Rafinesquii), Joseph S. Johnson, Michael J. Lacki, Steven C. Thomas, John F. Grider
Forestry and Natural Resources Faculty Publications
Extensive use of torpor is a common winter survival strategy among bats; however, data comparing various torpor behaviors among species are scarce. Winter torpor behaviors are likely to vary among species with different physiologies and species inhabiting different regional climates. Understanding these differences may be important in identifying differing susceptibilities of species to white-nose syndrome (WNS) in North America. We fitted 24 Rafinesque’s big-eared bats (Corynorhinus rafinesquii) with temperature-sensitive radio-transmitters, and monitored 128 PIT-tagged big-eared bats, during the winter months of 2010 to 2012. We tested the hypothesis that Rafinesque’s big-eared bats use torpor less often than values …
Bacterial Community Structure Of Contrasting Soils Underlying Bornean Rain Forests: Inferences From Microarray And Next-Generation Sequencing Methods, Sabrina E. Russo, Ryan Legge, Karrie A. Weber, Eoin L. Brodie, Katherine C. Goldfarb, Andrew K. Benson, Sylvester Tan
Bacterial Community Structure Of Contrasting Soils Underlying Bornean Rain Forests: Inferences From Microarray And Next-Generation Sequencing Methods, Sabrina E. Russo, Ryan Legge, Karrie A. Weber, Eoin L. Brodie, Katherine C. Goldfarb, Andrew K. Benson, Sylvester Tan
School of Biological Sciences: Faculty Publications
Soil microbial diversity is vast, and we lack even basic understanding of how this diversity is distributed ecologically. Using pyrosequencing and microarray methods, we quantified the structure of bacterial communities in two contrasting soils underlying Bornean rain forest (clay and sandy loam) that differ markedly in soil properties, aboveground tree flora, and leaf litter decomposition rates. We found significant soil-related taxonomic and phylogenetic differences between communities that, due to their proximity, are independent of climate. Bacterial communities showed distinct compositional and taxon-abundance distributions that were significantly correlated with the structure of the overlying tree community. Richness of bacteria was greater …
Conservation Implications Of A Marbled Salamander, Ambystoma Opacum, Metapopulation Model, Ethan B. Plunkett
Conservation Implications Of A Marbled Salamander, Ambystoma Opacum, Metapopulation Model, Ethan B. Plunkett
Masters Theses 1911 - February 2014
Amphibians are in decline globally and a significantly greater percentage of ambystomatid salamander species are in decline relative to other species; habitat loss contributes significantly to this decline. The goals of this thesis is to better understand extinction risk in a marbled salamander (ambystoma opacum) population and how forestry effects extinction risk. To achieve this goal we first estimated an important life history parameter (Chapter 1) then used a metapopulation model to estimate population viability and determine what aspects of their life history put them most at risk (Chapter 2) and finally predicted extinction risk in response to hypothetical forestry …
Historical Evolution And Future Of Natural Resources Law And Policy: The Beginning Of An Argument And Some Modest Predictions, Sally K. Fairfax, Helen Ingram, Leigh Raymond
Historical Evolution And Future Of Natural Resources Law And Policy: The Beginning Of An Argument And Some Modest Predictions, Sally K. Fairfax, Helen Ingram, Leigh Raymond
The Future of Natural Resources Law and Policy (Summer Conference, June 6-8)
8 pages.
Includes bibliographical references
"Sally Fairfax, UC-Berkeley, Helen Ingram, UC-Irvine, and Leigh Raymond, Purdue University" -- Agenda
Private Rights And Collective Governance: A Functional Approach To Natural Resources Law, Eric T. Freyfogle
Private Rights And Collective Governance: A Functional Approach To Natural Resources Law, Eric T. Freyfogle
The Future of Natural Resources Law and Policy (Summer Conference, June 6-8)
4 pages.
"Eric T. Freyfogle, Max L. Rowe Professor of Law, University of Illinois College of Law"
Importance Of Early Successional Forest For Wildlife In Southern New England, Amy Wynia
Importance Of Early Successional Forest For Wildlife In Southern New England, Amy Wynia
Senior Honors Projects
Many bird species that require early successional forest are declining in the Northeast U.S. because such habitat is relatively rare and when they inhabit the more common mature forests or suburban areas they are less successful. Early successional forest is maintained by regular disturbance (wind, fire, clear-cutting, and flooding) which has been happening less frequently during the past 50 years. Bird species that have declined during this time and which inhabit early successional forest include ruffed grouse (Bonasa umbellus), blue jay (Cyanocitta cristata), chestnut-sided warbler (Dendroica pensylvanica), gray catbird (Dumetella carolinensis), field sparrow (Spizella pusilla), golden-winged warbler (Vermivora chrysoptera), eastern …
Spatial Autocorrelation And Pseudoreplication In Fire Ecology, Amanda L. Bataineh, Brian P. Oswald, Mohammad M. Bataineh, Daniel Unger, I-Kuai Hung, Daniel Scognamillo
Spatial Autocorrelation And Pseudoreplication In Fire Ecology, Amanda L. Bataineh, Brian P. Oswald, Mohammad M. Bataineh, Daniel Unger, I-Kuai Hung, Daniel Scognamillo
Faculty Publications
Fire ecologists face many challenges regarding the statistical analyses of their studies. Hurlbert (1984) brought the problem of pseudoreplication to the scientific community’s attention in the mid 1980’s. Now, there is a new issue in the form of spatial autocorrelation. Spatial autocorrelation, if present, violates the traditional statistical assumption of observational independence. What, if anything, can the fire ecology community do about this new problem? An understanding of spatial autocorrelation, and knowledge of available methods used to reduce the effect of spatial autocorrelation and pseudoreplication will greatly assist fire ecology researchers.
The Challenge Of Environmental Protection, Jennifer Mattei
The Challenge Of Environmental Protection, Jennifer Mattei
Biology Faculty Publications
Connecticut is in the midst of a demographic transition to a period of lower population growth. These demographic changes will help check the pressures exerted on the state's natural resources by population growth. Water, air, soil, energy sources, food, fisheries, forests, and biodiversity are common pool resources upon which we depend in ways that transcend political boundaries. Those governing Connecticut should help turn the state into a model of how to manage natural resources by halting forest fragmentation, reducing pollution, and promoting environmental science education.
The Red-Cockaded Woodpecker's Role In The Southern Pine Ecosystem, Population Trends And Relationships With Southern Pine Beetles, Richard N. Conner, D. Craig Rudolph, Daniel Saenz, Robert N. Coulson
The Red-Cockaded Woodpecker's Role In The Southern Pine Ecosystem, Population Trends And Relationships With Southern Pine Beetles, Richard N. Conner, D. Craig Rudolph, Daniel Saenz, Robert N. Coulson
Faculty Publications
This study reviews the overall ecological role of the Red-cockaded Woodpecker (Picoides borealis)in the southern pine ecosystem. It is the only North American woodpecker species to become well adapted to a landscape that was relatively devoid of the substrate typically used by woodpeckers for cavity excavation (i.e. snags and decayed, living hardwoods). Its adaptation to use living pines for cavity excavation has expanded the use of this fire-disclimax ecosystem for numerous other cavity-using species. As such, the Red-cockaded Woodpecker represents an important keystone species of fire-disclimax pine ecosystems of the South. Historically, populations of this woodpecker and other cavity dependent …
Ecology And Management Of Larix Forests: A Look Ahead ... Proceedings Of An International Symposium, United States Department Of Agriculture, Forest Service
Ecology And Management Of Larix Forests: A Look Ahead ... Proceedings Of An International Symposium, United States Department Of Agriculture, Forest Service
Forestry
This proceedings is the product of an international symposium on the Larix species of North America, Europe, and Asia. Western larch, an important species in the Western United States and Canada, was featured. The symposium included information on ecology, management, silviculture, regeneration processes, growth, wildlife, vegetation succession, silvics, history, genetics, breeding and provenance testing, physiology, fire, insects and disease, and research need. This proceedings illustrates the importance of Larix in the temperate forests of the Northern Hemisphere.
Silviculture And Management Of Aspen In Canada: The Western Canada Scene, S. Navratil, I.E. Bella, E.B. Peterson
Silviculture And Management Of Aspen In Canada: The Western Canada Scene, S. Navratil, I.E. Bella, E.B. Peterson
Aspen Bibliography
No abstract provided.
Aspen Symposium '89: Proceedings. Duluth, Minnesota, July 25-27, 1989, R.D. Adams
Aspen Symposium '89: Proceedings. Duluth, Minnesota, July 25-27, 1989, R.D. Adams
Aspen Bibliography
No abstract provided.
Breeding Birds In Uncut Aspen And 6- To 10-Year-Old Clearcuts In Southwestern Colorado, V.E. Scott, G.L. Crouch
Breeding Birds In Uncut Aspen And 6- To 10-Year-Old Clearcuts In Southwestern Colorado, V.E. Scott, G.L. Crouch
Aspen Bibliography
Numbers of breeding birds were estimated for various sizes and ages of clearcuts, for edge habitat created by the clearcuts, leave strips between clearcuts, and uncut aspen forest (controls). Total numbers of birds were not different among three size classes or five age classes of clearcuts. Total were lower on clearcuts than on edges but not different from controls or leave strips.
Response Of Breeding Birds To Commercial Clearcutting Of Aspen In Southwestern Colorado [Usa], V.E. Scott, G.L. Crouch
Response Of Breeding Birds To Commercial Clearcutting Of Aspen In Southwestern Colorado [Usa], V.E. Scott, G.L. Crouch
Aspen Bibliography
Breeding birds on an aspen forest in southwestern Colorado increased in species diversity after 25% of the timber sale area forest was clearcut in patches of 3 to 20 acres. Bird population density on the forest with clearcuts was not significantly different from that on an uncut forest. Of the 20 species evaluated, six were more and one was less abundant than on the uncut forest.
Livestock Grazing On Public Lands: Procedures And Issues, E. T. Bartlett
Livestock Grazing On Public Lands: Procedures And Issues, E. T. Bartlett
The Public Lands During the Remainder of the 20th Century: Planning, Law, and Policy in the Federal Land Agencies (Summer Conference, June 8-10)
17 pages.
Contains references.
Fire Effects In Northeastern Forests: Aspen, C. Rouse
Fire Effects In Northeastern Forests: Aspen, C. Rouse
Aspen Bibliography
No abstract provided.
Effects Of Recreation (Trampling) On The Forest Floor And Associated Streams Of Aspen And Conifer Forests, M.C. Molles, J.R. Gosz, R.G. Cates
Effects Of Recreation (Trampling) On The Forest Floor And Associated Streams Of Aspen And Conifer Forests, M.C. Molles, J.R. Gosz, R.G. Cates
Aspen Bibliography
Heavy trampling significantly reduced the biomass of understory vegetation in aspen stands subject to different management procedures (thinning, fertilization). Light trampling also resulted in lower understory biomass except where it was performed in a fertilized aspen stand which had an understory community dominated by grasses. The grass community appears to be more resistant to trampling. Coverage by the understory was also reduced by both heavy and light trampling in aspen stands. The sparse understory of spruce-fir forests was not significantly changed. Trampling fragmented the forest floor in aspen but not in spruce-fir.
Dickey-Lincoln School Lakes Project At Dickey, Maine : Final Environmental Statement, Volume 1-4, U. S. Army Engineer Division, New England
Dickey-Lincoln School Lakes Project At Dickey, Maine : Final Environmental Statement, Volume 1-4, U. S. Army Engineer Division, New England
Dickey-Lincoln School Lakes Project
The proposed Dickey-Lincoln School Lakes Project in northern Maine is a multipurpose installation on the St.John River. The combination hydroelectric power and flood control project is located in Aroostook County, Maine, near the Canadian border. The two proposed earth fill dams located at Dickey are 10,200 feet in length with a maximum height of 335 feet. They would impound 7.7 million acre feet of water at a maximum pool elevation 910 feet mean sea level. A second earth filled dam located 11 miles downstream at Lincoln School would serve as a regulatory dam. It would be 2100 feet in lenqth, …
Aspen [Populus Tremuloides] Community Types On The Bridger-Teton National Forest In Western Wyoming [Including A Key With Indicator Species], Andrew P. Youngblood, Walter F. Mueggler
Aspen [Populus Tremuloides] Community Types On The Bridger-Teton National Forest In Western Wyoming [Including A Key With Indicator Species], Andrew P. Youngblood, Walter F. Mueggler
Aspen Bibliography
A classification system is presented for aspen (Populus tremuloides Michx.) dominated forests on the Bridger-Teton National Forest in western Wyoming. Twenty-six aspen community types are defined and described. A diagnostic key that utilizes indicator plant species is provided for field identification of the community types. Vegetation composition, environment, productivity, relationship to surrounding vegetation, and successional status are discussed. Tables are provided for detailed comparisons.