Results 51 to 60 of about 265,540 (300)

FHYSIOGRAPHIC INFLUENCE IN THE STRUCTURE OF THE SUPRABENTHIC FISH ASSEMBLAGE IN THE ROCKY SHORE OF ARRAIAL DO CABO, RIO DE JANEIRO, BRAZIL

open access: yesBoletim do Instituto de Pesca, 2019
During the summer of 1991, the composition and distribution of the fish assemblage of rocky shore of Arraial do Cabo (RJ), Brazil, was studied using the visual census by area method in five sampling stations.
Marcelo VIANNA
doaj  

A comparison of underwater visual distance estimates made by scuba divers and a stereo-video system: Implications for underwater visual census of reef fish abundance [PDF]

open access: yes, 2004
Underwater visual census of reef fish by scuba divers is a widely used and useful technique for assessing the composition and abundance of reef fish assemblages, but suffers from several biases and errors.
Fletcher, D   +3 more
core   +1 more source

Datafication and Spatial Visualization in Nineteenth-Century Census Statistics [PDF]

open access: yesHistorical Studies in the Natural Sciences, 2018
This essay argues that the explosion of visual graphics in nineteenth-century population statistics was closely linked to a shift in statistical epistemologies and practices of data collection. Taking German census statistics as a case in point, I illuminate concepts and practices that referred to data as a category of the here and now, enabling ...
openaire   +2 more sources

Unpacking the Farmland Capitalization Effect of Ethanol Establishment

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT We unpack the impact of expansions in ethanol production—as measured by proximity to newly constructed ethanol plants and capacity expansions—on farmland values using land transaction data from Kansas in combination with modern causal inference techniques.
Gabriel S. Sampson, Jisang Yu
wiley   +1 more source

A First Approach to the Marine Heterobranchia (Mollusca: Gastropoda) Fauna of Marettimo, Egadi Islands, MPA (Western Sicily, Mediterranean Sea)

open access: yesCoasts
For almost all the Sicilian islands, there are no faunistic data concerning marine Heterobranchia, which is one of the most sought-after groups of marine critters by photographers and diving enthusiasts all over the world. With the present study, carried
Andrea Lombardo, Giuliana Marletta
doaj   +1 more source

Fish assemblages across the Mediterranean Sea and the effects of protection from fishing = I Popolamenti ittici nel Mediterraneo e gli effetti della protezione dall’impatto della pesca [PDF]

open access: yes, 2010
Several studies have assessed the effectiveness of individual marine protected areas (MPAs) in protecting fish assemblages, but regional assessments of multiple parks are scarce.
Ballesteros, Enric   +10 more
core  

Video and Text‐Based Supplemental Health Information and Consumer Willingness to Pay for Nutrient‐Enhanced Eggs

open access: yesAgribusiness, EarlyView.
ABSTRACT Nutritional information is very important in the food choices of consumers. However, when they are too scientific or technical, they have the potential to confuse consumers, resulting in information asymmetry and dissuading them from making beneficial choices.
Edeoba W. Edobor   +3 more
wiley   +1 more source

Food insecurity and unemployment among immigrants in the United States

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Immigrants can be more vulnerable to economic downturns and, during periods of economic hardship, more likely to experience food insecurity compared to natives. This study examines the differential effect of the unemployment rate on the probability of being food insecure among diverse groups of immigrant households relative to natives in the ...
Siwen Zhou   +3 more
wiley   +1 more source

Racism and racial disparities in firearm violence: A scoping review

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract Firearm violence (i.e., interpersonal, police firearm violence) disproportionately affects racially minoritized communities. Researchers recently shifted their focus from race to racism to better understand the factors that contribute to racial disparities in firearm violence.
Daniel B. Lee   +8 more
wiley   +1 more source

Using photovoice to understand community perceptions of firearm risks and protective factors among Asian Americans

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This study used photovoice methodology to explore Asian Americans' perspectives on the root causes and protective factors of firearm violence in their communities. Photovoice provided a participatory platform for community members to document lived experiences and identify priorities for change.
Tsu‐Yin Wu   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy