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890 full-text articles. Page 1 of 31.

Malanson Jms 2017 Data, George P. Malanson 2018 University of Iowa

Malanson Jms 2017 Data, George P. Malanson

Research Data

No abstract provided.


Interactions And Constraints In Model Species Response To Environmental Heteroscedasticity. Code, George P. Malanson 2018 University of Iowa

Interactions And Constraints In Model Species Response To Environmental Heteroscedasticity. Code, George P. Malanson

Research Data

No abstract provided.


Relations Of Alpine Plant Communities Across Environmental Gradients: Multilevel Versus Multiscale Analyses. Data, George P. Malanson, Dale L. Zimmerman, Mitch Kinney, Daniel B. Fagre 2018 University of Iowa

Relations Of Alpine Plant Communities Across Environmental Gradients: Multilevel Versus Multiscale Analyses. Data, George P. Malanson, Dale L. Zimmerman, Mitch Kinney, Daniel B. Fagre

Research Data

No abstract provided.


Distance And Environmental Difference In Alpine Plant Communities. Data, George P. Malanson 2018 University of Iowa

Distance And Environmental Difference In Alpine Plant Communities. Data, George P. Malanson

Research Data

No abstract provided.


Initial Limnological Observations At Five Small Lakes In Southern Pacific Costa Rica, Sally P Horn, Erik N. Johanson, Kurt A. Haberyan, Mathew S. Boehm, Jessie L. Johanson, Maureen Sánchez P., Mario Hernández V. 2018 University of Tennessee, Knoxville

Initial Limnological Observations At Five Small Lakes In Southern Pacific Costa Rica, Sally P Horn, Erik N. Johanson, Kurt A. Haberyan, Mathew S. Boehm, Jessie L. Johanson, Maureen Sánchez P., Mario Hernández V.

Geography Publications and Other Works

Costa Rica has hundreds of lakes, many of which have never been described or sampled by limnologists. Here we summarize initial observations of five small (0.2–1.7ha) lakes located at low elevation (365–490m) in the cantón of Buenos Aries. We collected basic limnological data and samples during visits in 2013 and 2014, and compiled environmental and archaeological data for their surroundings as a contribution to the documentation of lake diversity in Costa Rica, and to support parallel investigations of indicators of environmental history preserved in the sediments of the lakes. Lagunas Carse, Los Mangos, Danta, and Ojo ...


The Impacts Of Green Spaces On Crime In New York City, Matthew Edward Iannone Jr. 2018 Fordham University

The Impacts Of Green Spaces On Crime In New York City, Matthew Edward Iannone Jr.

Student Theses 2015-Present

From the early 1960s through the mid-1990s, crime in New York City ran rampant. With a gradually dwindling police during this time, a high unemployment rate, and an rapidly increasing metropolitan population, crime peaked in the early 1990s, with the murder rate hitting a record-high of 2,245 in 1990. When Mayor Rudy Giuliani took office in 1994 and appoint Bill Bratton as the NYPD police commissioner, these rates immediately plunged. Numerous factors may have contributed to this sudden decline in crime: the police force grew significantly through the 1990s, more criminals were placed and held in prison, and the ...


Creating Web Maps Of Forest Restoration Plots At Iracambi Atlantic Rainforest Research Center, Minas Gerais, Brazil, Daniel Lassila 2018 Clark University

Creating Web Maps Of Forest Restoration Plots At Iracambi Atlantic Rainforest Research Center, Minas Gerais, Brazil, Daniel Lassila

International Development, Community and Environment (IDCE)

The purpose of this report is to provide a detailed account, discussion, and analysis of my internship at Iracambi Atlantic Rainforest Research Center in Minas Gerais, Brazil during the summer of 2017, where I worked under the direction of GIS Supervisor Mr. Cliff Jones. The central focus of my work dealt with consolidating existing GIS data on the organization’s rainforest restoration effort into a single normalized database - based on the Atlantic Forest Restoration Pact, creating a structure for future forest restoration volunteers including enabling offline field collection using Collector for ArcGIS, then creating an ArcGIS Online web map based ...


An Assessment Of Atmospheric And Meteorological Factors Regulating Red Sea Phytoplankton Growth, Wenzhao Li, Hesham el-Askary, Mohamed A. Qurban, Emmanouil Proestakis, Michael J. Garay, Olga V. Kalishnikova, Vassilis Amiridis, Antonis Gkikas, Eleni Marinou, Thomas Piechota, K. P. Manikandan 2018 Chapman University

An Assessment Of Atmospheric And Meteorological Factors Regulating Red Sea Phytoplankton Growth, Wenzhao Li, Hesham El-Askary, Mohamed A. Qurban, Emmanouil Proestakis, Michael J. Garay, Olga V. Kalishnikova, Vassilis Amiridis, Antonis Gkikas, Eleni Marinou, Thomas Piechota, K. P. Manikandan

Mathematics, Physics, and Computer Science Faculty Articles and Research

This study considers the various factors that regulate nutrients supply in the Red Sea. Multi-sensor observation and reanalysis datasets are used to examine the relationships among dust deposition, sea surface temperature (SST), and wind speed, as they may contribute to anomalous phytoplankton blooms, through time-series and correlation analyses. A positive correlation was found at 0–3 months lag between chlorophyll-a (Chl-a) anomalies and dust anomalies over the Red Sea regions. Dust deposition process was further examined with dust aerosols’ vertical distribution using satellite lidar data. Conversely, a negative correlation was found at 0–3 months lag between SST ...


The Greater Effects Of Ocean Acidification: Shellfish In The Arctic, Bailey Aasen 2018 Augustana College, Rock Island Illinois

The Greater Effects Of Ocean Acidification: Shellfish In The Arctic, Bailey Aasen

Scandinavian Studies Student Award

This paper explains the impacts of ocean acidification, specifically on the shellfish population in the Arctic. It explores the physical, economical and social implications that this issue has on the Arctic and the Arctic community. Originally written in 2016 and revised in 2018, this paper aims to address the increasing problem of ocean acidification in the Arctic and what solutions are being brought to the table to address the problem.


The Journey Of The Water, James Kelly 2018 N/A

The Journey Of The Water, James Kelly

Landscapes: the Journal of the International Centre for Landscape and Language

This piece follows the course of the Mapocho river in Chile from its origins in the Andes through to its discharge into the Pacific Ocean. It has also sought to include a number of Scottish words to create a form of polyglossia and experiment with the texture of the prose.


Becoming Human In The Land: An Introduction To The Special Issue Of Heritage: Landscapes, Drew Hubbell 2018 Edith Cowan University

Becoming Human In The Land: An Introduction To The Special Issue Of Heritage: Landscapes, Drew Hubbell

Landscapes: the Journal of the International Centre for Landscape and Language

This introduction to the special issue of Landscapes theorizes the questions suggested by the theme, "Landscape: Heritage." Weaving personal narrative with literary criticism, cultural studies, human geography, and ecology, the essay examines the way humans become human by developing complex relationships with landscapes over time. As landscapes contain the physical traces of human habitation and development, certain narratives of human inhabitants are written and memorialized in and by those landscapes. The monumentalization of specific heritages leads to contests between human groups who require certain heritages to be memorialized, but not others. Greater awareness of one's humanity requires recovery of ...


A Naturalist’S Guide To The Great Plains, Paul A. Johnsgard 2018 University of Nebraska - Lincoln

A Naturalist’S Guide To The Great Plains, Paul A. Johnsgard

Zea E-Books

This book documents nearly 500 US and Canadian locations where wildlife refuges, nature preserves, and similar properties protect natural sites that lie within the North American Great Plains, from Canada’s Prairie Provinces to the Texas-Mexico border. Information on site location, size, biological diversity, and the presence of especially rare or interesting flora and fauna are mentioned, as well as driving directions, mailing addresses, and phone numbers or internet addresses, as available. US federal sites include 11 national grasslands, 13 national parks, 16 national monuments, and more than 70 national wildlife refuges. State properties include nearly 100 state parks and ...


A Detailed Hydrodynamic Study To Help Community Based Resiliency Planning Under Extreme Climatic And Weather Events, Md. Golam Rabbani Fahad 2018 Rowan University

A Detailed Hydrodynamic Study To Help Community Based Resiliency Planning Under Extreme Climatic And Weather Events, Md. Golam Rabbani Fahad

Theses and Dissertations

The State of New Jersey is particularly vulnerable to extreme weather and climatic events. This study concentrates on spatial and temporal vulnerability of these events using climate and hydrodynamic modelling. The first chapter focuses on historical climatic trend of temperature and precipitation as well as the future scenarios using 10 bias corrected climate model output considering high end emission scenario derived from Coupled Model Intercomparison Project Phase 5 (CMIP5). In the second chapter a coastal hydrodynamic model called ADCIRC-2DDI was implemented to assess the impact of hurricanes in the Western North Atlantic (WNAT) model domain. The efficiency of the model ...


Investigation Of The Fire Radiative Energy Biomass Combustion Coefficient - A Comparison Of Polar And Geostationary Satellite Retrievals Over The Conterminous United States, Fangjun Li, Xiaoyang Zhang 2018 South Dakota State University

Investigation Of The Fire Radiative Energy Biomass Combustion Coefficient - A Comparison Of Polar And Geostationary Satellite Retrievals Over The Conterminous United States, Fangjun Li, Xiaoyang Zhang

Global Land Surface Season Data Sets

The data is for the article "Investigation of the Fire Radiative Energy Biomass Combustion Coefficient - A Comparison of Polar and Geostationary Satellite Retrievals Over the Conterminous United States", which has been submitted to the Journal of Geophysical Research: Biogeosciences.

The data file contains a total of 20 files in 10 folders that are associated to the figures and tables in the article. General instruction for viewing output data for the paper can be found in the "Readme" text file.


Fisheries’ Property Regimes And Environmental Outcomes: A Realist Synthesis Review, Rebecca J. McLain, Steven Lawry, Maria Ojanen 2018 Portland State University

Fisheries’ Property Regimes And Environmental Outcomes: A Realist Synthesis Review, Rebecca J. Mclain, Steven Lawry, Maria Ojanen

Geography Faculty Publications and Presentations

Our paper describes the application of a realist approach to synthesizing evidence from 31 articles examining the environmental outcomes of marine protected areas governed under different types of property regimes. The development of resource tenure interventions that promote sustainable management practices has been challenged by the difficulties of determining how contextual factors affect environmental outcomes given the complexity of socio-ecological systems. Realist synthesis is a promising evidence review technique for identifying the mechanisms that influence policy intervention outcomes in complex systems. Through a combination of inductive and deductive analysis of the links between context, mechanisms, and outcomes, realist synthesis can ...


Holocene Dynamics Of Temperate Rainforests In West-Central Patagonia, Virginia Iglesias, Simon G. Haberle, Andrés Holz, Cathy Whitlock 2018 Montana State University-Bozeman

Holocene Dynamics Of Temperate Rainforests In West-Central Patagonia, Virginia Iglesias, Simon G. Haberle, Andrés Holz, Cathy Whitlock

Geography Faculty Publications and Presentations

Analyses of long-term ecosystem dynamics offer insights into the conditions that have led to stability vs. rapid change in the past and the importance of disturbance in regulating community composition. In this study, we (1) used lithology, pollen, and charcoal data from Mallín Casanova (47°S) to reconstruct the wetland, vegetation, and fire history of west-central Patagonia; and (2) compared the records with independent paleoenvironmental and archeological information to assess the effects of past climate and human activity on ecosystem dynamics. Pollen data indicate that Nothofagus-Pilgerodendronforests were established by 9,000 cal yr BP. Although the biodiversity of the ...


Quantifying Undisturbed (Native) Lands In Northwestern South Dakota: 2013, Pete Bauman, Benjamin Carlson, Tanner Butler, Brad Richardson 2018 South Dakota State University

Quantifying Undisturbed (Native) Lands In Northwestern South Dakota: 2013, Pete Bauman, Benjamin Carlson, Tanner Butler, Brad Richardson

Quantifying Undisturbed (Native) Lands in Northwestern South Dakota: 2013

We employed simple GIS methods primarily utilizing the South Dakota Farm Service Agency’s Common Land Unit (CLU) data layers from 2013 and the 2012 United States Department of Agriculture (USDA) National Agriculture Imagery Program (NAIP) county mosaic aerial imagery to evaluate 7,347,812 acres of land in northwestern South Dakota. The analysis area includes: Harding, Perkins, and Butte counties along with portions of Lawrence and Meade counties outside of the Black Hills Core Highlands and Plateau Ecoregions.

We utilized the FSA CLU data layer queried to show current and former cropland to identify and remove any areas with ...


Expansion Of Major Urban Areas In The Us Great Plains From 2000 To 2009 Using Satellite Scatterometer Data, Lan H. Nguyen, Son V. Nghiem, Geoffrey M. Henebry 2018 South Dakota State University

Expansion Of Major Urban Areas In The Us Great Plains From 2000 To 2009 Using Satellite Scatterometer Data, Lan H. Nguyen, Son V. Nghiem, Geoffrey M. Henebry

GSCE Faculty Publications

A consistent dataset delineating and characterizing changes in urban environments will be valuable for socioeconomic and environmental research and for sustainable urban development. Remotely sensed data have been long used to map urban extent and infrastructure at various spatial and spectral resolutions. Although many datasets and approaches have been tried, there is not yet a universal way to map urban extents across the world. Here we combined a microwave scatterometer (QuikSCAT) dataset at ~1 km posting with percent impervious surface area (%ISA) data from the National Land Cover Dataset (NLCD) that was generated from Landsat data, and ambient population data ...


Data: Pre-Fire Disturbance History Modulates Relationships Between Ground Cover And Post-Fire Conifer Regeneration, Nathan Gill, Dan Jarvis, Tom Veblen, John Rogan, Dominik Kulakowski 2018 Clark University

Data: Pre-Fire Disturbance History Modulates Relationships Between Ground Cover And Post-Fire Conifer Regeneration, Nathan Gill, Dan Jarvis, Tom Veblen, John Rogan, Dominik Kulakowski

Student Works

Understory vegetation and ground cover drive many important ecosystem processes, including tree seedling regeneration. The exact effect of ground cover on tree seedling establishment, survival, and growth depends on biophysical context. In subalpine forests, this context is largely determined by disturbances such as beetle outbreak, blowdown, and fire. Compounded disturbances that overlap in short succession can alter stand properties and trajectories in ways that are not predictable from the additive impact of individual disturbances. The aim of this study is to examine how compounded Dendroctonus rufipennis (spruce beetle; SB) outbreak followed by fire and compounded wind blowdown followed by fire ...


Factors Limiting Sand Dune Restoration In Northwest Beach, Point Pelee National Park, Canada, Pritichhanda Nayak, Pritichhanda Mohanty Nayak 2018 Wilfrid Laurier University

Factors Limiting Sand Dune Restoration In Northwest Beach, Point Pelee National Park, Canada, Pritichhanda Nayak, Pritichhanda Mohanty Nayak

Theses and Dissertations (Comprehensive)

Known as home to rare species of flora and fauna, and their critical habitats, Northwest beach of Point Pelee National Park has undergone significant ecological and infrastructural changes in the past decades. A number of important management challenges have emerged, including conservation of endangered Five-lined Skink (Plestiodon fasciatus) which inhabit the extensive dune system within the park. This research investigates key factors for sand dune ecosystem restoration in Northwest beach of Point Pelee with particular attention to the conservation of Skink habitat. Random stratified sampling method was used to collect sand and vegetation samples from the disturbed and natural areas ...


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