Efecto de la defoliación post-quema sobre el crecimiento de dos gramíneas nativas en el Caldenal, Argentina [PDF]
, 2009 El crecimiento en los pastizales naturales semiáridos puede ser afectado por la longitud de tiempo que el pastoreo es excluido durante el período de regeneración post-fuego.
Boo, Roberto Miguel +4 more
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Senescent trees stabilize aboveground wood net primary production immediately after disturbance [PDF]
, 2020 In the United States, forests sequester 17% of national carbon (C) emissions annually (UGCRP, 2018), however shifting forest disturbances threaten the stability of this essential C sink.
Grigri, Maxim S
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Generation cycles in experimental populations of a multivoltine insect
Journal of Animal Ecology, EarlyView.Although theory suggests various mechanisms by which environmental and ecological factors may drive generational fluctuations, our field‐cage experiment is the first to demonstrate how internal dynamics and external disturbances jointly produce synchronised, large‐scale outbreak cycles.
Takehiko Yamanaka +3 more
wiley +1 more source
Morphogenetic and structural characteristics of guinea grass pastures submitted to three frequencies and two defoliation severities. [PDF]
, 2011 It was evaluated the morphogenic and structural characteristics of guinea grass under rotational at three grazing intervals and two defoliation intensities. Grazing intervals corresponded to the time needed by the forage canopy to reach 90, 95 or 100% of
BARBOSA, R. A. +6 more
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Impacts of air pollution on human and ecosystem health, and implications for the National Emission Ceilings Directive. Insights from Italy [PDF]
, 2019 Across the 28 EU member states there were nearly half a million premature deaths in 2015 as a result of exposure to PM2.5, O3 and NO2. To set the target for air quality levels and avoid negative impacts for human and ecosystems health, the National ...
Anav, Alessandro +20 more
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The British Journal of Sociology, EarlyView.ABSTRACT Tracing the early adoption of computer gang databases by the Los Angeles County Sheriff's Department and the Los Angeles Police Department in the 1980s to the deployment of computationally‐assisted surveillance during the Vietnam War, this paper uses a genealogical approach to compare surveillance technologies developed across the arc of ...
Christina Hughes
wiley +1 more source
Revista Brasileira de Zootecnia, 2006 Este trabalho foi realizado com o objetivo de avaliar a influência de intensidades (10 e 20 cm) e freqüências de desfolhação (três intervalos de cortes, definidos pelo aparecimento de 5, 7 e 9 folhas/perfilho após cada evento de desfolhação) nas ...
Kênia Régia Anasenko Marcelino +4 more
doaj +1 more source
Some aspects of grazing ecosystems : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science at Massey University [PDF]
, 1970 The conversion of plant material to meat and milk by ruminants is one of the main ways in which the demand for energy and more especially protein for human consumption is met.
Scoffield, John Ernest
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Silicon, endophytes and secondary metabolites as grass defenses against mammalian herbivores [PDF]
, 2014 Article Accepted Date: 30 August 2014 Acknowledgments This study was supported by the Academy of Finland (grant no. 133495 to Otso Huitu; grants no. 137909 and 110658 to Kari Saikkonen) and by the NERC (grant no. NE/F003994/1 to Xavier Lambin).
Forbes, Kristian M +8 more
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The predatory behavior of ants: an impressive panoply of morphological adaptations
Insect Science, EarlyView.This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean +6 more
wiley +1 more source