|
|
|
|
|
Kevin MacKenzie, Steve Auger, Sara Beitollahpour and Bahram Gharabaghi
Stream corridor erosion can majorly contribute to the overall sediment and phosphorus load in urbanizing watersheds. However, the relative contribution of stream bed and bank erosion, compared with upland watershed sources and the potential for stream re...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gustav Kågesten, Dario Fiorentino, Finn Baumgartner and Lovisa Zillén
Predefined classification schemes and fixed geographic scales are often used to simplify and cost-effectively map the spatial complexity of nature. These simplifications can however limit the usefulness of the mapping effort for users who need informatio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Roger F. Auch, Mark A. Drummond, George Xian, Kristi L. Sayler, William Acevedo and Janis L. Taylor
In this U.S. Geological Survey study of forest land cover across the conterminous U.S. (CONUS), specific proportions and rates of forest conversion to developed (urban) land were assessed on an ecoregional basis. The study period was divided into six tim...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andi Muhammad Yasser Hakim, Masayuki Matsuoka, Sumbangan Baja, Dorothea Agnes Rampisela and Samsu Arif
The spatial plan program for Makassar City and the surrounding area called Mamminasata (Makassar, Maros, Sungguminasa, and Takalar) was created by the Indonesian Government. The program regulates the proportion of land cover, but predictions about land c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ashley Covert
Following the severe wildfire season of 2007 in southeastern British Columbia, straw mulching was used to stabilize soil on burned hillslopes and to reduce the risk of debris flows and flooding after the fires. The effects of the straw mulch on vegetatio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sean J. Zeiger and Jason A. Hubbart
Determining environmental flow requirements to sustain aquatic ecosystem health remains a challenge. The purpose of this research was to quantify the extent of current flow alterations relative to baseline hydrologic conditions of a simulated historic fl...
ver más
|
|
|
|
|
|
|
|
|
|
|
William A. Gould, Frank H. Wadsworth, Maya Quiñones, Stephen J. Fain and Nora L. Álvarez-Berríos
Global food security concerns emphasize the need for sustainable agriculture and local food production. In Puerto Rico, over 80 percent of food is imported, and local production levels have reached historical lows. Efforts to increase local food producti...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wahidullah Hussainzada and Han Soo Lee
To address the issues of water shortages and the loss of agricultural products at harvest in northern Afghanistan, the Soil and Water Assessment Tool (SWAT) was applied for agricultural water resource management by simulating surface runoff in the Balkha...
ver más
|
|
|
|
|
|
|
|
|
|
|
C. Chipeta
AbstractThis paper examines the dynamics of capital structure for firms engaging in initial public offerings (IPOs) on the Johannesburg Stock Exchange (JSE). Censored Tobit regressions are used to model capital structure targeting behaviour. The findings...
ver más
|
|
|
|
|
|
|
|
|
|
|
Diego Copetti and Franco Salerno
The interaction of climate with aquatic ecosystems is a multidisciplinary field of research involving water quantity and quality issues and having strong socio-economic implications. This special issue hosts 10 studies undertaken in 7 countries of 4 cont...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kelsey A. Barnhill and Keisha D. Bahr
Globally, coral reefs are under threat from climate change and increasingly frequent bleaching events. However, corals in Kane?ohe Bay, Hawai?i have demonstrated the ability to acclimatize and resist increasing temperatures. Benthic cover (i.e., coral, a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Li-Chi Chiang, Yi-Ting Chuang and Chin-Chuan Han
The Chenyulan watershed, located in the central mountain area of Taiwan, has been suffering from earthquakes, typhoons, and heavy rainfalls in recent decades. These sequential natural disturbances have a cumulative impact on the watershed, leading to mor...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wei-Lun Tsai, Melissa R. McHale, Viniece Jennings, Oriol Marquet, J. Aaron Hipp, Yu-Fai Leung and Myron F. Floyd
Urbanization increases risk for depression and other mental disorders. A growing body of research indicates the natural environment confers numerous psychological benefits including alleviation of mental distress. This study examined land cover types and...
ver más
|
|
|
|
|
|
|
|
|
|
|
Brian Sims and Josef Kienzle
Smallholder farmers are the main producers of the world?s food and they will have to increase production by up to 100 percent by 2050 to feed the growing population. This must be achieved while preserving natural resources and that is why sustainable agr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Carlos Jimenez, Louis Hadjioannou, Antonis Petrou, Vasilis Andreou and Andreas Georgiou
Artificial reefs are considered one of the alternative methods in fisheries management, used in order to enhance stocks and marine biodiversity in general. A number of biotic and abiotic parameters influence the fouling communities? formation on artifici...
ver más
|
|
|
|
|
|
|
|
|
|
|
Carlos Jimenez, Louis Hadjioannou, Antonis Petrou, Vasilis Andreou, Andreas Georgiou
Pág. 1 - 9
Artificial reefs are considered one of the alternative methods in fisheries management, used in order to enhance stocks and marine biodiversity in general. A number of biotic and abiotic parameters influence the fouling communities? formation on artifici...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhenliang Yin, Qi Feng, Linshan Yang, Xiaohu Wen, Jianhua Si and Songbing Zou
Quantifying the long term impacts of climate and land cover change on streamflow is of great important for sustainable water resources management in inland river basins. The Soil and Water Assessment Tool (SWAT) model was employed to simulate the streamf...
ver más
|
|
|
|
|
|
|
|
|
|
|
Steven A. Flanagan, George C. Hurtt, Justin P. Fisk, Ritvik Sahajpal, Matthew C. Hansen, Katelyn A. Dolan, Joe H. Sullivan and Maosheng Zhao
There are strong relationships between climate and ecosystems. With the prospect of anthropogenic forcing accelerating climate change, there is a need to understand how terrestrial vegetation responds to this change as it influences the carbon balance. P...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sadroddin Alavipanah, Martin Wegmann, Salman Qureshi, Qihao Weng and Thomas Koellner
The Urban Heat Island (UHI) is the phenomenon of altered increased temperatures in urban areas compared to their rural surroundings. UHIs grow and intensify under extreme hot periods, such as during heat waves, which can affect human health and also incr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Shen, Guineng Chen, Luís Miguel Martínez, João de Abreu e Silva
This paper presents a bi-level cellular agent-based model (ABM) framework, which incorporates a land cover change sub-model at the local level and a socioeconomic activity growth sub-model at the regional level. In the local sub-model, a land cell is set...
ver más
|
|
|
|
|
|