Results 71 to 80 of about 960 (159)

ICHTHYOFAUNA BYCATCH OF THE ARTISANAL FISHERY OF PENAEID SHRIMPS IN PERNAMBUCO, NORTHEASTERN BRAZIL

Boletim do Instituto de Pesca, 2019
The shrimp trawl fisheries are highly efficient in capturing target species but is an unselective gear that commonly catches untargeted organisms, which are usually discarded due to their small size or no commercial value. To understand and, eventually,
Carlos Antonio Beserra da Silva-Júnior, Alex Souza Lira, Leandro Nolé Eduardo, Andrea Pontes Viana, Flávia Lucena-Frédou, Thierry Frédou   +5 more
doaj   +1 more source

Tax Projections and the Budget: Lessons from the 1980s [PDF]

Some economists have argued that the disincentive effects of marginal tax rate increases in the 1980s caused revenue to rise by less than had been anticipated. To evaluate the hypothesis, this paper considers OMB revenue forecasts and forecast errors for
Alan J. Auerbach
core  

Density index and length scale of Pearl Oyster Pinctada radiata in two habitats around Hendorabi Island (Iran, the Persian Gulf)

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2015
As pearling has been banned in Iran since 2006, stocks of pearl oysters has not been investigated during these years therefore, condition of natural habitats for Pinctada radiata in its old habitats was surveyed in present research. Shallow waters around
M. Movahedi-Nia email ; H. Rameshi; S. Seydmoradi; E. Kamrani; A. Esmaeil-Zadeh; G. Arganji
doaj  

Differential Urban-Rural Inequalities and Driving Mechanisms of PM_2.5 Exposure in the Central Plains Urban Agglomeration, China

Remote Sensing
Exposure to PM2.5 poses severe risks to public health and sustainable development, with exposure inequalities exacerbated by variations in atmospheric activity and uneven regional development.
Xiaofan Sun, Chengyuan Wang, Yaqin Ji, Qiuling Dang, Zhicong Fu, Xuegang Mao, Enheng Wang, Yan Jiang, Weizhao Fan   +8 more
doaj   +1 more source

Unnatural Experiments? Estimating the Incidence of Endogenous Policies [PDF]

The US federal system provides great potential for estimating the effects of policy on behavior. There are numerous empirical studies that exploit variation in policies over space and time.
Anne Case, Timothy Besley
core  

Spatial and temporal distribution pattern and biomass trend of Nemipteridae family in the Oman Sea

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2017
Nemipterid fishes are considered as one of the commercial fish family having considerable catch amount in the Persian Gulf and Oman Sea. There was an annual monitoring survey during 2003-2013 in the Oman Sea using a research bottom trawler for stock ...
A Mahmoodzade; M.R Fatemi email ; T Valinassab; Sh Jamili; B Moghadassi
doaj  

Estimación de la biomasa de langostino amarillo (Cervimunida johni), aplicando Modelo Lineal Generalizado a registros de captura por área barridaen la zona central de Chile Estimating yellow squat lobster (Cervimunida johni) biomass by applying a generalized linear model to catch records per swept area in central Chile

Latin American Journal of Aquatic Research, 2012
La información obtenida en cruceros de evaluación directa de langostino amarillo (Cervimunida johní) realizados en la zona central del Chile (32°-38°S) entre 1997 y 2009, permitió modelar los cambios en la densidad anual de este recurso mediante Modelo ...
Cristian Canales, Patricio M Arana
doaj  

Research on the Water–Energy–Carbon Coupling Changes and Their Influencing Factors in the Henan Section of the Sha Ying River Basin, China

Agriculture
The Henan section of the Sha Ying River Basin, as the core agricultural area of the Central Plains Urban Agglomeration (CPUA), plays a significant role in promoting regional green and sustainable development through the coordinated management of water ...
Xueke Liu, Yong Wu, Ling Li, Chi Sun, Jianwei Liu, Wenzhen Wang   +5 more
doaj   +1 more source

Catch Per Unit Area (CPUA) estimation and distribution pattern of pharaoh cuttlefish from North Coast of Gulf of Oman

Journal of Survey in Fisheries Sciences, 2021
M.R. Mirzaei, T. Valinasab, A. Ajdari
openaire   +1 more source

Spatiotemporal variations and sources of PM_2.5 in the Central Plains Urban Agglomeration, China. [PDF]

Air Qual Atmos Health, 2022
Liu X, Zhao C, Shen X, Jin T.
europepmc   +1 more source