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451. [Article] The Uneven Geography of River Conservation In The U.S.: Insights From The Application Of The Wild And Scenic Rivers Act
Rivers are vital for sustaining biodiversity and human development, yet globally only a small fraction of rivers enjoy protection and those with protections are often impaired or modified. Rapid rates ...Citation -
Urbanization is one of the biggest threats to biodiversity. To address this problem, landscape planners have increasingly adopted landscape ecology as a theoretical basis for planning. They use spatial ...
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453. [Article] New Nemertean Diversity Discovered in the Northeast Pacific, Using Surveys of Both Planktonic Larvae and Benthic Adults
This study doubles the known diversity of nemertean species in one region along the northeast Pacific coast by utilizing the often over-looked larval life-history stage. Prior to this work, the nemertean ...Citation -
454. [Article] Work pants worn by loggers in Western Oregon, 1920-1970
With the arrival of European settlers to Western Oregon nearly 150 years ago came new methods of forest management. Early settlers' forest practices consisted of little more than harvesting what seemed ...Citation -
Report from the Institute of Natural Resources, Portland State University
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456. [Article] The Distribution and Reproductive Success of the Western Snowy Plover along the Oregon Coast - 2015
We monitored the distribution, abundance and productivity of the federally threatened Western Snowy Plover (Charadrius nivosus nivosus) along the Oregon coast from 3 April – 11 September 2015. From north ...Citation -
Final report to USDI Bureau of Land Management. Medford District, Oregon
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Report from the Institute for Natural Resources, Portland State University. Pacific Northwest Landscape Assessment and Mapping Program.
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459. [Article] Songbird communities in burned and logged stands with variable tree retention in the Canadian Rocky Mountains
By emulating natural disturbances such as wildfire, managers hope to maintain biodiversity in managed forests. Leaving residual (live) trees in harvested areas is key to this strategy. However, the effectiveness ...Citation -
Island biogeography has strongly influenced the study of biodiversity because archipelagos provide natural model systems for investigating patterns of diversity and the processes that shape ecological ...
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461. [Article] The influence of forest management on headwater stream amphibians at multiple spatial scales
To effectively manage for biodiversity at broad, ecosystem scales, the influences of habitat structure at multiple spatial scales on vertebrate species must be understood. There are few studies on the ...Citation -
462. [Article] Total aboveground biomass and structure of tropical forest delineated by Projeto RADAMBRASIL in northern Rondonia, Brazil
Tropical forests are of global importance with respect to their influence on biogeochemical cycles, climatic patterns, and as large reservoirs of biodiversity. Yet, few studies have quantified their structure, ...Citation -
Riparian forests in the central Oregon Coast Range vary along a coniferous-deciduous compositional continuum. Variations in structure and composition affect water quality, fish and wildlife, biodiversity, ...
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464. [Article] Relationship between plant and butterfly community composition on upland prairies of the Willamette Valley, Oregon
Small remnants of 'natural' habitats exist today throughout much of the world. Upland prairies in the Willamette Valley, Oregon have been nearly eliminated by conversion to agriculture and other uses. ...Citation -
465. [Article] Andean roots, coca, and grassroots development in the Bolivian Yungas : food sovereignty and agrarian change for native farmers
Since the 1952 Bolivian agrarian reform, farmer unions have sought to establish themselves as producers for regional markets. Development strategies led by the World Bank and IMF have largely jeopardized ...Citation -
466. [Article] A community-based approach for evaluating tradeoffs across marine ecosystem services in Oregon
As competing uses of our coastlines increase, natural resource agencies are employing marine spatial planning (MSP) to designate areas for different uses or activities in order to reduce conflicts while ...Citation -
467. [Article] Efficacy of Empirical Seed Zones: Pseudoroegneria Spicata Reproductive Phenology & Seedling Stage Traits
Ecological restoration is needed to mitigate losses to biodiversity. Restoration success is enhanced through the use of native plant materials that are genetically diverse and locally adapted. Seed transfer ...Citation -
National Forest management in the Pacific Northwest is shifting from a focus on commodity production to ecosystem management, in which the health of the entire forest ecosystem is considered, rather than ...
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469. [Article] Effects of pesticides on amphibians with special reference to the pyrethroid insecticide, cypermethrin
Pollution by pesticides is a ubiquitous concern for wildlife. The effects of pesticides are especially concerning in aquatic environments, which are particularly vulnerable as they have several exposure ...Citation -
470. [Article] Evolutionary Insights into Cnidarian-Dinoflagellate Symbiosis from Natural Variation in Aiptasia Sea Anemones
Mutualistic associations between corals and symbiotic microalgae of the genus Symbiodium power tropical reef ecosystems, hotspots of marine biodiversity that buffer coastlines, support tourism- and fisheries-based ...Citation -
471. [Article] Political economy and trade effects of invasive species regulation : the case of noxious weeds
Many non-native weed pests of food, fiber, and nursery crops pose threats to U.S. environment and agriculture. Noxious weed regulations play an important role in preventing the introduction and spread ...Citation -
472. [Article] Advancing marine reserve science : from field experiments to marine conservation planning tools
This dissertation focuses on science relevant to the design and implementation of marine reserves. The chapters explore a range of topics related to among-site variation in population, community, and ecosystem ...Citation -
Intensive forest management (IFM, dense conifer plantings and herbicide applications) may alter the characteristics of early seral plant communities that function as major habitat resources for a host ...
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474. [Article] Connecting local values and forest policy to the international forest sustainability dialogue
Sustainable management of the world’s forests is a key component for conserving biodiversity, soil and water resources, mitigating climate change, strengthening economies, and promoting sustainable communities ...Citation -
475. [Article] Interactive visualization of diversity in multivariate data sets unified across fields of study
The study of the diversity of multivariate objects shares common characteristics across disciplines, including ecology and organizational management. Nevertheless, experts in these two disciplines have ...Citation -
The causes of the global biodiversity crisis are varied and complex. Anthropogenic threats may act in isolation, or interact additively or synergistically with each other or with natural stressors to affect ...
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477. [Article] Aquatic community responses to drought disturbance: experimental manipulations of top predator extinctions and stream drying
Although it is generally assumed that the intensifying abiotic environment is the primary effect of drought on aquatic organisms, drought-induced top predator extinctions may be an important underlying ...Citation -
478. [Article] Life history variables of Dicamptodon salamanders
It is good practice to fully understand components of an ecosystem if we hope to preserve its biodiversity. A problem is that we know very little about some organisms and nothing of others. Studies that ...Citation -
The symbiosis between cnidarians, such as corals and sea anemones, and photosynthetic dinoflagellates belonging to the genus Symbiodinium spp. is one of the most productive in the marine environment. This ...
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480. [Article] The Distribution and Reproductive Success of the Western Snowy Plover along the Oregon Coast - 2016
We monitored the distribution, abundance and productivity of the federally threatened Western SnowyPlover (Charadrius nivosus nivosus) along the Oregon coast from 5 April – 31 August 2016. From north to ...Citation -
481. [Article] Mapping conservation opportunity areas for the Intertwine's Regional Conservation Strategy
Draft report from the Institute for Natural Resources, Portland State UniversityCitation -
482. [Article] Vascular Plant Inventory for Lewis and Clark National Historical Park - Public Version
Natural Resource Technical Report NPS/LEWI/NRTR—2012/603.N Research was conducted under permit # FOCL-2009-SCI-0002 for study number FOCL-00005Citation -
483. [Article] Precipitation and winter temperature predict long-term range-scale abundance changes in Western North American birds
This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by John Wiley & Sons Ltd., and can be found at: http://onlinelibrary.wiley.com/jou...Citation -
484. [Article] The Distribution and Reproductive Success of the Western Snowy Plover along the Oregon Coast - 2011
From 6 April – 19 September 2011 we monitored the distribution, abundance and productivity of the federally Threatened Western Snowy Plover (Charadrius nivosus nivosus) along the Oregon coast. From north ...Citation -
In the Northwest Great Basin, aspen (Populus tremuloides) communities uniquely contribute to the biodiversity of a semi-arid, sagebrush-dominated landscape. In this same region, western juniper (Juniperus ...
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486. [Article] A ranunculalean liana stem from the cretaceous of British Columbia, Canada: Atli morinii gen. et sp nov.
This is the publisher’s final pdf. The published article is copyrighted by The University of Chicago. and can be found at: http://www.jstor.org/action/showPublisher?publisherCode=ucpress&.Citation -
487. [Article] Identifying factors driving sensitivity to fragmentation in forest breeding songbirds
Habitat loss and fragmentation are the greatest threats to biodiversity worldwide. Fragmentation impacts landscape configuration, resulting in a larger number of patches that are smaller in size and further ...Citation -
488. [Article] The Boiling Springs Lake Metavirome: Charting the Viral Sequence-Space of an Extreme Environment Microbial Ecosystem
Viruses are the most abundant organisms on Earth, yet their collective evolutionary history, biodiversity and functional capacity is not well understood. Viral metagenomics offers a potential means of ...Citation -
489. [Article] Investigation of Ambient Reactive Nitrogen Emissions Sources and Deposition in the Columbia River Gorge National Scenic Area
Anthropogenic reactive nitrogen is emitted into the atmosphere from fossil fuel combustion (nitrogen oxides) and agricultural activities (nitrogen oxides and ammonia). Nitrogen oxide emissions have long ...Citation -
In the tropics, widespread deforestation and conversion of primary forests to agricultural and pasture lands has resulted in losses of composition, structure, and functions of forest landscapes. Deforestation ...
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491. [Article] Movement and space use by the green hermit (Phaethornis guy) in a fragmented landscape in Costa Rica
Human activities have altered Earth’s ecosystems. Most biomes have experienced a 20-50% conversion to human use. Loss of habitat has obvious effects on the persistence of species. Fragmentation, however, ...Citation -
492. [Article] Using a species-centered approach to examine patterns and drivers of avian species richness in the Rogue Basin, Oregon
The combined effects of habitat loss, degradation, and fragmentation pose a serious threat to Earth's biodiversity, imperiling even relatively common species. 'Habitat' is necessarily a species-specific ...Citation -
493. [Article] Lichen Functional Trait Variation Along an East-West Climatic Gradient in Oregon and Among Habitats in Katmai National Park, Alaska
Functional traits of vascular plants have been an important component of ecological studies for a number of years; however, in more recent times vascular plant ecologists have begun to formalize a set ...Citation -
The spatial distribution of forest disturbance is commonly calculated using a satellite imagery-driven bi- or tri-temporal change analysis. Working in Colombia’s Cordillera de los Picachos National Natural ...
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Using the historical range of forest conditions as a reference for managing landscapes has been proposed as a "coarse-filter" approach to biodiversity conservation. By emulating historical disturbance ...
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Coral reef ecosystems are the oceanic equivalent of tropical rainforests, in terms of biodiversity. The estimated 1,037,000 square kilometers worldwide of reef provide habitat for over one million species ...
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497. [Article] The importance of egg size for the diversity of salmonids
Understanding the origin and nature of intra specific biodiversity enables us to better conserve and manage animal populations. Biological diversity is seen at different scales and for different traits ...Citation -
498. [Article] Lichen communities and caribou habitat in Denali National Park and Preserve, Alaska, USA
Lichens play many important roles in subarctic terrestrial ecosystems by fixing nitrogen, colonizing rock and gravel, stabilizing otherwise bare soil, adding significantly to vegetation biodiversity and ...Citation -
Remote sensing techniques have long been useful in quantifying changes in ecosystems and the field of remote sensing is constantly evolving to better assess and describe changes, both spatially and temporally. ...
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500. [Article] Studies toward the synthesis of coibamide A and analogues
Coibamide A is a highly methylated cyclic depsipeptide isolated from Panamanian marine filamentous cyanobacteria as part of an International Cooperative Biodiversity Groups (ICBG) program based in Panama. ...Citation