نتایج جستجو برای: harvest

تعداد نتایج: 23260  

Journal: :Revista de saude publica 2012
Luiz Carlos Soares de Carvalho Junior Ercy Mara Cipulo Ramos Alessandra Choqueta de Toledo Aline Duarte Ferreira Ceccato Mariângela Macchione Alfésio Luis Ferreira Braga Dionei Ramos

OBJECTIVE To assess health-related quality of life in sugarcane cutters. METHODS Longitudinal study conducted in a sugar and ethanol plant located in the western region of the State of São Paulo (Southeastern Brazil) from April (pre-harvest) to October (harvest) 2010. A total of 44 sugarcane cutters, smokers and non-smokers, was evaluated in three periods: pre-harvest, at the end of the third...

2014
Roseana Mara Aredes Priuli Maria Silvia de Moraes Rafael Morais Chiaravalloti

OBJECTIVE Evaluate the impact of stress on sugar cane cutters and the prevalence of physical and psychological symptoms before and after harvest. METHODS We studied 114 sugarcane cutters and 109 urban workers in the pre-harvest and 102 sugar cane cutters and 81 urban workers in the post-harvest period in the city of Mendonça, SP, Southeastern Brazil, in 2009. Data analysis was based on the fr...

2013
Christine J. Small James L. Chamberlain Derrick S. Mathews CHRISTINE J. SMALL JAMES L. CHAMBERLAIN DERRICK S. MATHEWS

—Since European colonization and subsequent commercialization of Appalachian medicinal and edible plants, millions of kilograms of plant material have been extracted from our forests, with little effort to manage these species as natural resources. Roots and rhizomes of black cohosh, a native Appalachian forest herb, are extensively harvested for treatment of menopausal symptoms. As nearly all ...

2016
Anne-Christine Mupepele Carsten F. Dormann

Forest harvest alters natural nutrient cycles, which is reflected in stream water run-off from harvested catchments. Nitrate is an essential nutrient for plant growth, but increased concentrations in rivers, lakes, and oceans have contributed to eutrophication and anoxic conditions. Based on a literature review, we assessed the impact of three different harvest methods—clearcut, patchcut, and s...

2015
D. E. Ausband C. R. Stansbury J. L. Stenglein J. L. Struthers L. P. Waits

Knowledge about recruitment in a population can be critical when making conservation decisions, particularly for harvested species. Harvest can affect population demography in complex ways and this may be particularly true for cooperatively breeding species whose successful reproduction is often linked with complex social dynamics. We currently have a poor understanding of how harvest affects r...

Journal: :Proceedings. Biological sciences 2017
David E Ausband Michael S Mitchell Carisa R Stansbury Jennifer L Stenglein Lisette P Waits

Recruitment in cooperative breeders can be negatively affected by changes in group size and composition. The majority of cooperative breeding studies have not evaluated human harvest; therefore, the effects of recurring annual harvest and group characteristics on survival of young are poorly understood. We evaluated how harvest and groups affect pup survival using genetic sampling and pedigrees...

2014
EVAN G. COOCH MATTHIEU GUILLEMAIN G. SCOTT BOOMER JAMES D. NICHOLS

Change in the size of populations over space and time is, arguably, the motivation for much of pure and applied ecological research. The fundamental model for the dynamics of any population is straightforward: the net change in the abundance is the simple difference between the number of individuals entering the population and the number leaving the population, either or both of which may chang...

2015
Paul E. McNamara

Post-harvest losses represent a significant threat to food security and farmer incomes worldwide. It is an inefficiency in the global food production system that is avoidable. In deducing principles of designing and implementing agricultural extension programs to reduce post-harvest losses, valuable lessons can be gleaned from the handful of previous extension projects and programs addressing p...

2017
Pål F. Moa Lasse F. Eriksen Erlend B. Nilsen

A main challenge in harvest management is to set policies that maximize the probability that management goals are met. While the management cycle includes multiple sources of uncertainty, only some of these has received considerable attention. Currently, there is a large gap in our knowledge about implemention of harvest regulations, and to which extent indirect control methods such as harvest ...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2014
Muhammad Mustehsan Bashir Muhammad Ateeq Shahzad Muhammad Nadeem Yousaf Bilal Ahmad Khan Farid Ahmad Khan

OBJECTIVE To compare intercostal nerve block before and after rib harvest in terms of mean postoperative pain score and mean postoperative tramadol usage. STUDY DESIGN Randomized controlled trial. PLACE AND DURATION OF STUDY Department of Plastic Surgery, Mayo Hospital, KEMU, Lahore, from January 2011 to July 2012. METHODOLOGY Patients (n = 120) of either gender with ASA class-I and II re...

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