نتایج جستجو برای: grazing system
تعداد نتایج: 2244117 فیلتر نتایج به سال:
Grazing of Livestock is one of the factors having influence on the structure and dynamics of the range land vegetation. Grazing management is a vital factor to control the intensity of the rangeland ecosystems degradation. In this study, plant functional traits and diversity and richness properties were used to assess the vegetation response to different grazing intensities. This was done in No...
Deron Burkepile advances a review of compelling empirical examples arguing that common mechanisms may structure grazing systems in both terrestrial and aquatic biomes. We welcome this synthesis, and on many specific points we concur. In this commentary we further develop the characteristics of grazing systems, grazing lawns in particular, reviewing their prevalence across systems wet and dry. T...
Introduction Increasing cow efficiency requires optimizing the ratio of output to input. Evaluating the market endpoint, resources, and management preferences is the first step in determining the attributes that are needed in the cow herd. The next step is identifying the biological attributes of the cow that fits your production system. Around the world the ecologies of grazing systems vary gr...
For reducing both extreme ultraviolet attosecond pulses energy loss in the focusing reflection process and measurement error caused by pulse focusing aberration, as well as improving the operability of pulse spectroscopy monitoring, a combined focusing and flat-field spectrometer analysis system for attosecond pulse is proposed and designed through step-by-step performance optimization. The foc...
Understanding the responses of the arctic tundra biome to a changing climate requires knowledge of the complex interactions among the climate, soils and biological system. This study investigates the individual and interaction effects of climate change and reindeer grazing across a variety of climate zones and soil texture types on tundra vegetation community dynamics using an arctic vegetation...
Heifer performance, diet composition, and forage composition were compared during rotational and continuous grazing of mixed pasture (alfalfa, tall fescue, orchardgrass). One hundred eighteen yearling heifers were used to compare the three grazing systems during 2 yr. Treatments included continuous (CONT), 6-paddock rotational (6-PADD), and 11-paddock rotational grazing (11-PADD). Rotational pa...
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