Thraulodes quevedoensis new species (type locality: Quevedo, Ecuador) is described from adults and nymphs. This species was found in a moderately polluted river running through a highly altered agricultural and urban landscape of western Ecuador.

intra-city natural structures have always had a key role in creating sustainable urban greenspaces. adapting to natural features and relating the intra-city greenspaces to such natural structures as river-valleys, hillsides, lakes and forests, guarantee the endurance, sustainability and longevity of the natural quality of city. this paper looks at intra-city natural structures which have underg...

The upper layer of forest soils (0-20 cm depth) were collected from urban, suburban, and rural areas in the Pearl River Delta of Southern China to estimate the distribution and the possible sources of polycyclic aromatic hydrocarbons (PAHs). Total concentrations of PAHs in the forest soils decreased significantly along the urban-suburban-rural gradient, indicating the influence of anthropogenic...

ecological destruction in human-dominated landscapes has significant impacts on environment sustainability internationally. landscape planning can play a role in mitigating the effects of human-related activities. one element of landscape planning involves the analysis of the biological, spatial and social arrangement of areas in an urban environment and identifying characteristics that are und...

Carbon reduction at the household level is an integral part of carbon mitigation. This study analyses the characteristics, effects, contributing factors and policies for urban household carbon emissions in the Yangtze River Delta of China. Primary data was collected through structured questionnaire surveys in three cities in the region--Nanjing, Ningbo, and Changzhou in 2011. The survey data wa...

Isfahan is a historic city that has experienced several urban developments throughout its shining and glorious past. They began in Al-buyid and Seljuq periods, and continued through the Safavid urban evolution in the sixteenth century. Zayande-Rood is an important and effective natural element in the city's landscape and plan. This article reflects the conclusion of a historic study on revit...

tehran is one of the most polluted metropolises in the world. sink capacity for absorption and assimilation of pollution is reduced generally due to failure in inclusion of ecological aspects in regional land use development planning. the present condition of air and water related issues in tehran are greatly affected by landscape structural alterations at urban level. in this research the focu...

College of Urban and Rural Construction Sichuan Agricultural University Dujiangyan 611830, China State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University Chengdu 610065, China College of Architecture and Environment Sichuan University Chengdu 610065, China College of Electronic Engineering Guilin University of Electronic Technology Guilin 541004, China Shenzhen Branc...

Many population centers in the American West rely on water from the Colorado River Basin, which has faced shortages in recent years that are anticipated to be exacerbated by climate change. Shortages to urban water supplies related to climate change will not be limited to cities dependent on the Colorado River. Considering this, addressing sustainable water governance is timely and critical for...