Related Topics: Ecosystems Research

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Records 101 to 125 of 1083 records about 'Ecosystems' published between 10/15/2013 and 10/15/2018

2018
Satellite sensor requirements for monitoring essential biodiversity variables of coastal ecosystems
(JOURNAL) [Published : Apr 02, 2018]
The biodiversity and high productivity of coastal terrestrial and aquatic habitats are the foundation for important benefits to human societies around the world. These globally distributed habitats need frequent and broad systematic assessments, but field surveys only cover a sma...
Satellite-based monitoring of cyanobacteria blooms from 2002–2011 for 11 reservoirs with watersheds along an agricultural gradient
(PRESENTATION) [Presented : May 24, 2018]
Imagery acquired by the Envisat Medium Resolution Imaging Spectrometer from 2002-2011 was used to estimate cyanobacteria cell densities for 11 reservoirs in Indiana, Ohio, and Kentucky, USA (surface areas 8–43 km2; 864 total images spanning May–September). This initia...
Scleractinian coral microplastic ingestion: Potential calcification effects, size limits, and retention
(JOURNAL) [Published : Oct 01, 2018]
The impact that microplastics (<5 mm) have on scleractinian coral is largely unknown. This study investigated calcification effects, size limits, and retention times of microbeads and microfibers in two Caribbean species, Montastraea cavernosa and Orbicella faveolata, in...
Shifts in N and δ15N in wheat and barley exposed to cerium oxide nanoparticles
(JOURNAL) [Published : Jul 31, 2018]
The effects of cerium oxide nanoparticles (CeO2-NPs) on 15N/14N ratio (δ15N) in wheat and barley were investigated. Seedlings were exposed to 0 and 500 mg CeO2-NPs/L (Ce-0 and Ce-500, respectively) in hydroponic suspension supplied with NH4NO3, NH4+, or NO3−. N ...
Simulating Changes in Tropospheric Composition, Aerosol Radiative Effects, and Atmospheric Deposition across the Northern Hemisphere: Contrasting Multi-Decadal Trends between Asia and North America
(PRESENTATION) [Presented : May 23, 2018]
Significant and contrasting changes in tropospheric composition across the Northern hemisphere have occurred over the past two decades as a result of changing patterns of emissions of primary aerosol and gaseous precursors. During this period, SO2 and NOx emissions across the US...
So what exactly are social-ecological network studies? Findings from a literature review
(PRESENTATION) [Presented : Apr 10, 2018]
To solve most environmental management problems academics and practitioners must work across traditionally compartmentalized management arenas (e.g., food, water, and wildlife) and among spatially distant ecosystems and resource users. Managing interdependent ecosystem services, ...
So what exactly are social-ecological network studies? Findings from a literature review.
(PRESENTATION) [Presented : Jun 26, 2018]
To solve most environmental management problems academics and practitioners must work across traditionally compartmentalized management arenas (e.g., food, water, and wildlife) and among spatially distant ecosystems and resource users. Managing interdependent ecosystem services, ...
Spatial and Temporal Dynamics of Cyanobacterial Blooms in Two Rhode Island Ponds
(PRESENTATION) [Presented : Mar 13, 2018]
Cyanobacteria are natural components of freshwater ecosystems. When conditions are favorable (e.g., high nutrient inputs), cyanobacteria can form dense blooms that have negative effects on human and animal health, ecosystem functioning, and aesthetics. When blooms occur they ca...
Spatial and Temporal Dynamics of Cyanobacterial Blooms in Two Rhode Island Ponds.
(PRESENTATION) [Presented : May 17, 2018]
Cyanobacteria are natural components of freshwater ecosystems. When conditions are favorable (e.g., high nutrient inputs), cyanobacteria can form dense blooms that have negative effects on human and animal health, ecosystem functioning, and aesthetics. When blooms occur they can ...
Spatio-temporal dynamics of inherent optical properties in oligotrophic northern Gulf of Mexico estuaries
(JOURNAL) [Published : Aug 15, 2018]
Coastal and estuarine ecosystems provide numerous economic and environmental benefits to society. However, increasing anthropogenic activities and developmental pressure may stress these areas and hamper their ecosystem services. Satellite remote sensing could be used as a tool f...
Special Issue: Ecological Modelling Global Conference 2016: 20th Biennial ISEM Conference, 8 - 12 May 2016, Towson, Maryland, USA.
(JOURNAL) [Published : Sep 10, 2018]
This Special Issue contains a collection of papers presented at The Ecological Modelling Global Conference 2016: 20th Biennial International Society of Ecological Modelling (ISEM) Conference which was held at Towson University, Maryland, United States. Over the past 40+ years, E...
Stable isotopes of algae and macroinvertebrates in streams respond to watershed urbanization, inform management goals, and indicate food web relationships
(JOURNAL) [Published : Jul 02, 2018]
Watershed development and anthropogenic sources of nitrogen are among leading causes of negative impacts to aquatic ecosystems around the world. The δ15N of aquatic biota can be used as indicators of anthropogenic sources of nitrogen enriched in 15N, but this mostly has bee...
State of the Science: Atmospheric Deposition
(PRESENTATION) [Presented : Aug 23, 2018]
This short presentation introduces the current state of the science of atmospheric deposition modeling used by the Chesapeake Bay Program and recent model developments. The presentation documents the connectivity of the models used by the Bay Program, data needs to advance the sc...
Stream channel erosion in a rapidly urbanizing region of the US–Mexico border: documenting the importance of channel hardpoints with Structure‐from‐Motion photogrammetry
(JOURNAL) [Published : Jun 03, 2018]
Urbanization can lead to accelerated stream channel erosion, especially in areas experiencing rapid population growth, unregulated urban development on erodible soils, and variable enforcement of environmental regulations. A combination of field surveys and Structure‐from&#...
StreamCat and LakeCat: An overview of algorithms, data, and models developed at the US EPA Western Ecology Division to facilitate and advance watershed prediction in the conterminous US.
(PRESENTATION) [Presented : Apr 25, 2018]
Geospatial data and techniques have long been critical to advancing the analysis and management of freshwater ecosystems. However, these data and techniques have often been limited to specific sample sites or regional analyses because of the difficulty associated with generating ...
Surface and subsurface coal environments – From environmental formation and chemistry to microbial communities
(BOOK CHAPTER) [Published : Mar 10, 2018]
Coal and coal-extracts fuel a large portion of global trade by contributing to industries in energy production, infrastructure development, and chemical/material processing. The mining and recovery of these resources have tremendous economic and environmental impacts in coal-rich...
The EcoService Models Library (ESML): A searchable database of ecological models for estimating the production of ecosystem goods and services
(DATA/SOFTWARE) [Published : Mar 26, 2018]
ORD has created the EcoService Models Library (ESML) to make ecological model descriptions more available and informative. EMSL is a website and database for finding, examining and comparing ecological models that may be useful for estimating ecosystem goods and services. ESML i...
The Lake-Catchment (LakeCat) Dataset: Characterizing landscape features for lake basins within the conterminous USA
(JOURNAL) [Published : Jun 01, 2018]
Natural and human-related landscape features influence the ecology and water quality within lakes. It is critical, therefore, to quantify landscape features in a hydrologically meaningful way to effectively manage these important ecosystems. Such summaries of the landscape are of...
The Role of Ecosystem Services in Community Well Being
(BOOK CHAPTER) [Published : Sep 19, 2018]
Natural ecosystems provide services to humans that make life possible. Life, as well as the economy, is dependent upon these ecosystem goods and services (EGS). These services also contribute to a “good” or “quality life” by influencing the well-being of i...
The extent and pathways of nitrogen loss in turfgrass systems: Age impacts
(JOURNAL) [Published : Oct 01, 2018]
Nitrogen loss from fertilized turf has been a concern for decades, with most research focused on inorganic (NO3−) leaching. The present work examined both inorganic and organic N species in leachate and soil N2O emissions from intact soil cores of a bermudagrass chronoseque...
The influence of data characteristics on detecting wetland/stream surface-water connections in the Delmarva Peninsula, Maryland and Delaware
(JOURNAL) [Published : Feb 01, 2018]
The dependence of downstream waters on upstream ecosystems necessitates an improved understanding of watershed-scale hydrological interactions including connections between wetlands and streams. An evaluation of such connections is challenging when: (1) accurate and complete data...
The provision of urban ecosystem services throughout the private-social-public domain: A conceptual framework
(JOURNAL) [Published : Sep 06, 2018]
The assessment of ecosystem services has received marked interest among scholars. By recognizing that cities and towns are largely privately-owned systems, some investigations have assessed ecosystem service provision from the private realm, such as residential areas, private gre...
The time scale of resilience-based forecasts and their potential use
(PRESENTATION) [Presented : Aug 10, 2018]
It is notoriously difficult to predict abrupt changes involving critical transitions (a type of regime shift), and these changes include management-relevant events like fisheries, collapses, and harmful algal blooms. However, recent theoretical and experimental work suggests that...
Three education modules using EnviroAtlas - Greenway Case Study Puts Students in the Decision-Making Role: Using Technology and Maps to Informs Development Decisions
(PRESENTATION) [Presented : Mar 16, 2018]
Session #1: Exploration and Discovery through Maps: Teaching Science with Technology (elementary school) - EnviroAtlas is a tool developed by the U.S. Environmental Protection Agency and its partners that empowers anyone with the internet to be a highly informed local decision-ma...
Three education modules using EnviroAtlas-Exploration and Discovery Through Maps: Teaching Science with Technology
(PRESENTATION) [Presented : Mar 16, 2018]
Session #1: Exploration and Discovery through Maps: Teaching Science with Technology (elementary school) - EnviroAtlas is a tool developed by the U.S. Environmental Protection Agency and its partners that empowers anyone with the internet to be a highly informed local decision-ma...