scholarly journals Environmental correlates of cytotype distribution in Andropogon gerardii (Poaceae)

2015 ◽  
Vol 102 (1) ◽  
pp. 92-102 ◽  
Author(s):  
Christine McAllister ◽  
Russell Blaine ◽  
Paul Kron ◽  
Brent Bennett ◽  
Heidi Garrett ◽  
...  
Keyword(s):  
Andropogon Gerardii ◽  
Environmental Correlates ◽  
Cytotype Distribution

Field test for environmental correlates of dispersal in hedgehogs Erinaceus europaeus

2001 ◽  
Vol 70 (1) ◽  
pp. 33-46 ◽  
Author(s):  
Doncaster C. Patrick ◽  
Rondinini Carlo ◽  
Johnson Paul C. D.
Keyword(s):  
Field Test ◽  
Erinaceus Europaeus ◽  
Environmental Correlates

scholarly journals Social and environmental correlates of rat complaints in Chicago

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Cecilia A Sánchez ◽  
María Jazmín Rios ◽  
Maureen H Murray
Keyword(s):  
Population Density ◽  
Social Factors ◽  
Home Ownership ◽  
Wealth Inequality ◽  
Building Construction ◽  
Anthropogenic Factors ◽  
Negative Effects ◽  
Environmental Correlates ◽  
Growing Rat ◽  
Commercial Sources

Abstract Urban rats are widely distributed pests that have negative effects on public health and property. It is crucial to understand their distribution to inform control efforts and address drivers of rat presence. Analysing public rat complaints can help assess urban rat distribution and identify factors supporting rat populations. Both social and environmental factors could promote rat complaints and must be integrated to understand rat distributions. We analysed rat complaints made between 2011 and 2017 in Chicago, a city with growing rat problems and stark wealth inequality. We examined whether rat complaints at the census tract level are associated with factors that could influence rat abundance, rats’ visibility to humans, and the likelihood of people making a complaint. Complaints were significantly positively correlated with anthropogenic factors hypothesized to promote rat abundance (restaurants, older buildings, garbage complaints, and dog waste complaints) or rat visibility (building construction/demolition activity), and factors hypothesized to increase the likelihood of complaining (human population density, more owner-occupied homes); we also found that complaints were highest in the summer. Our results suggest that conflicts between residents and rats are mainly driven by seasonal variation in rat abundance and human activity and could be mitigated with strategies such as securing food waste from residential and commercial sources. Accounting for social factors such as population density, construction and demolition activity, and home ownership versus rental can also help cities more accurately predict blocks at higher risk of rat conflicts.

Assessing the Differential Impact of Vacancy on Criminal Violence in the City of St. Louis, MO

2021 ◽  
pp. 073401682199679
Author(s):  
Branson Fox ◽  
Anne Trolard ◽  
Mason Simmons ◽  
Jessica E. Meyers ◽  
Matt Vogel
Keyword(s):  
Violent Crime ◽  
Situational Crime Prevention ◽  
Empirical Literature ◽  
Terrain Modeling ◽  
Criminal Violence ◽  
Aggravated Assault ◽  
Environmental Correlates ◽  
Risk Terrain Modeling ◽  
The City ◽  
North And South

This study employs risk terrain modeling to identify the spatial correlates of aggravated assault and homicide in St. Louis, MO. We build upon the empirical literature by (1) replicating recent research examining the role of vacancy in the concentration of criminal violence and (2) examining whether the environmental correlates of violence vary between north and south St. Louis, a boundary that has long divided the city along racial and socioeconomic lines. Our results indicate that vacancy presents a strong, consistent risk for both homicide and aggravated assault and that this pattern emerges most clearly in the northern part of the city which is majority African American and has suffered chronic disinvestment. The concentration of criminal violence in South City is driven primarily by public hubs including housing, transportation, and schools. Our results underscore the importance of vacancy as a driver of the spatial concentration of violent crime and point to potential heterogeneity in risk terrain modeling results when applied to large metropolitan areas. Situational crime prevention strategies would be well served to consider such spatial contingencies as the risk factors driving violent crime are neither uniformly distributed across space nor uniform in their impact on criminal violence.

Environmental correlates of anuran beta diversity in the Brazilian Cerrado

Ecography ◽  
2012 ◽  
Vol 36 (6) ◽  
pp. 708-717 ◽  
Author(s):  
Paula H. Valdujo ◽  
Ana Carolina O. Q. Carnaval ◽  
Catherine H. Graham
Keyword(s):  
Beta Diversity ◽  
Brazilian Cerrado ◽  
Environmental Correlates
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