Grazing management an ecological perspective pdf

Stuth livestock water access and ford stream crossings pdf, nrcs technical notes placing livestock without the aid of fences. Grazing and burning guidelines biodiversity advisor. Primary long term grazing management studies from various native rangeland types in north america. A wellplanned and managed pasturebased operation can maintain.

Ecological management ofagricultural weeds written and edited by matt liebman iowa state university. Grazing management an ecological perspective cnrit. The ecological forcesherbivory, physical impact, and depositionof grazing ungulates have shaped natural grazing ecosystems around the world. They wanted to offer students, educators, scientists, agency personnel and others an integrated approach to addressing grazing management that maintains the integrity of.

Social and economic influences on grazing management. Understanding how plants avoid and or tolerate disturbance provides a basis for management. Nov 09, 2017 grazier david marsh has farmed his 814hectare property on the south west slopes of new south wales for decades. In agriculture, rotational grazing, as opposed to continuous grazing, describes many systems of pasturing, whereby livestock are moved to portions of the pasture, called paddocks, while the other portions rest.

An ecological approach to grazing landscape australia. The effectiveness of any particular growth form depend on the grazing skills of the herbivore. The effects of grazing by livestock on plant species diversity have not yet resulted in a consensus on the management of rangeland eg zervas 1998. Written over the course of six years with numerous contributing authors. Environmental protection agency office of federal activities 401 m street, sw washington, dc 20460 submitted by. Pdf grazing management that regenerates ecosystem function.

Grazing management an ecological perspective related a production perspective on rye reports on european rye production from the usda. A crossfencing scheme for a traditional grazing management plan implements a rapid rotational grazing system. Sustainable grazing lands providing a healthy environment promote ecologically and economically sound management of all private grazing lands for all their adapted uses and multiple benefits to the environment and society. Foreword acknowledgements chapter 1 an ecological perspective chapter 2 range animal nutrition chapter 3 foraging behavior chapter 4. Finally various approaches to current grazing management will be treated. Pdf grazing management aimed at producing landscape mosaics. Grazing for conservation management in historical perspective. Stockpiling pastures by laura paine1 and ken barnett2 introduction the concept of stockpiling is simple. Grazing effects on grassland ecosystems us forest service.

The compatibility of grazing in riparian areas depends on the extent to which the selected grazing management strategy considers and adapts to certain basic ecological and economic relationships. An ecological perspective the authors provide a conceptual synthesis of a rapidly expanding literature base, and address the fundamental ecological concepts and managerial principles pertaining to grazing management. A farmscale approach to burning and grazing in bringing these principles together, the guidelines provide an integrated template for farmscale grazing and burning management planning, based on a fouryear rotation system. Tailor the grazing approach to the specific riparian area under consideration. Grazing management of ruminant animals in sustainable. The decisionmaking environment and planning paradigm. This and similar traditional grazing management practices promote uniform forage utilization, in contrast to the patch burn heterogeneitybased. Grazing management an ecological perspective grazing. Some authors suggest that moderate grazing increases plant species diversity eg grace 1999. An ecological perspective related a production perspective on rye reports on european rye production from the usda. Prior to developing grazing management strategies for riparian areas, managers should have some understanding of grazing effects on the following. Under moderate intensity and frequency, plants are.

Pdf grazing management uses ungulates to achieve desired ecological, social, and economic outcomes. Enhancing sustainability of grassland ecosystems through. Explain the authors ultimate justification for evaluating grazing as an ecological process and the fundamental ecological dilemma encountered in grazed systems. Mariana grazing and livestock management academy principles of grazing management principles of grazing management outline. Grazing best management practices irrigation toolbox. Hay 75 of clover expansion while the seedling is small and compact in order to avoid possible damage to new elongating stolons. He shares his experience of moving from an industrial farming mindset to taking a more ecological approach based on many years of refinement. The economic and ecological efficiency of food production using ruminant species can be optimized by intensively managing the relationship between the grazer and the landscape. A powerful livestock handling and range management tool, by tim westfall. Temperate pasture can be highly productive with proper grazing management. Code 528 ac definition managing the harvest of vegetation with grazing andor browsing animals with the intent to achieve specific ecological, economic, and management objectives. Ecological costs of livestock grazing in western north america.

Grazing management is one of several tools available to land managers to manipulate vegetation, livestock performance and ecosystem processes. Attempts to discern grazing effects are also hampered by the difficulty in distinguishing between different range management practices. Presentation 1characteristics of grazed ecosystems. Grazing animals need to be managed in order to accommodate desired results in terms of animal, plant, land and economic responses. In this study, we used a modified version of a metaanalysis compilation and analysis of the literature in which an individual area is subjected to the disturbance and its response is noted to analyze grazing effects on grassland ecosystems. Sustainable grazing lands providing a healthy environment. The best grazing management practices need to be incorporated into regional and global planning for sustainable development yu et al. In agriculture, grazing is a method of animal husbandry whereby domestic livestock are used to convert grass and other forage into meat, milk, wool and other products, often on land unsuitable for arable farming farmers may employ many different strategies of grazing for optimum production. Try out the html to pdf api north dakota state university dickinson research extension center 13 state avenue, dickinson, nd 58601 voice. Physiological responses of individual plants to grazing. With direct drilling where grass and clover seedlings are forced into close proximity, it. Nyren2 1department of animal and range sciences, north dakota state university, fargo, north dakota 58105 usa.

Grazing ecosystems evolved with and depend upon herbivory, heavy hoof action, nitrogen deposits, and decomposing carcasses of large migratory ungulates. Ecological grazing management, food security and surveillance in nigeria innovation ecosystem approach by ayodele a. Specifying ecological principles and understanding their implications for landuse and land management decisions are essential steps on the path toward ecologically based land use. Free online agriculture textbooks free textbook list. Grazing ecology and management university of arizona. They are intended to complement and enhance existing policies, procedures, and regulations. We propose a paradigm that enhances heterogeneity instead of homogeneity to promote biological diversity and wildlife habitat on rangelands grazed by livestock, bioscience, volume 51, issue 8, august 2001. The response of vegetation, livestock and ecosystems to. Seventy percent of the western united states is grazed, including wilderness areas, wildlife refuges, national forests, and even some national parks. Keywords digestibility, forage, forage quality, grazing, managementintensive grazing, sustainable agriculture, ruminants. The questions about the ecological frame of reference for the goal of restoration will be discussed.

Developmental morphology and physiology of grasses. Grazing management an ecological perspective, edited by r. In contrast, much research on grazing management has not followed adaptive. Grazing resistance is the ability of plants to survive grazing. Components of sustainable grazing management system. They wanted to offer students, educators, scientists, agency personnel and others an integrated approach to addressing grazing management that maintains the integrity of ecological systems. Rather than cutting, drying, and storing hay to feed in winter, you grow pasture forage until frost and let the animals harvest their own feed as late into winter as weather conditions allow. Management variables in clude grazing intensity stocking rate, livestock spe. Ecology and management of grazing an online course in grazing animal management module 1. Sustainable management of rangeland ecosystems has direct implications for conservation of biological diversity and for the livelihoods of local communities in the himalayan region in general and the sagarmatha national park and buffer zone snpbz in particular.

The approach often produces lower outputs than more intensive animal. Weeds from an ecological perspective 40 the life history of weeds 42. Pasture, rangeland and grazing management usu extension. Thurow, tl, blackburn, wh and taylor, ca jr 1986 hydrologic characteristics of vegetation types as affected by livestock grazing systems, edwards plateau, texas. Managing grazing lands to improve soils and promote. The focus of the book is on ecological and managerial constraints common to all grazed systems, even though rangelands have been specifically referenced. This relationship between grazing intensity and plant size is likely true for forbs and shurbs. This study aims to analyze the status of rangeland management in the snpbz from an ecological perspective. Rangeland management in sagarmatha mount everest national. Bhattarai et al 2004, while others report the opposite eg perelman et al 1997. This grazing management textbook places a strong emphasis on maintaining the integrity of ecological systems.

Pdf ecological grazing management, food security and. The chapters of this free online textbook have been written by a number of different authors during a period of six years. Manske phd associate range scientist grass plants have developed adaptive tolerance mechanisms in response to defoliation during the long period of. Ecological costs of livestock grazing in western north. Nevertheless, this example ecosystem perspective and a complex.

Richards abstract 147 individual plant respones to herbivory were initially investigated to establish prudent guidelines for livestock grazing on pastures and rangelands. This controversy stems from two main categorical differences in rotational grazing, prescribed management and adaptive management. The authors provide a conceptual synthesis of a rapidly expanding literature base, and address the fundamental ecological concepts and managerial principles pertaining to grazing management. To meet the challenge of sustaining ecological systems, an ecological perspective should be incorporated into landuse and land management decisions. Grazing management is intended to minimize the detrimental consequences of several intrinsic ecological constraints on animal and, to a lesser extent, plant production.

Purpose apply this practice as a part of a conservation management system to achieve one or more of the following. Pdf grazing management on californias mediterranean grasslands. Chapter 1 an ecological perspective chapter 2 range animal nutrition chapter 3 foraging behavior chapter 4 developmental morphology and physiology of grasses chapter 5 ecosystemlevel processes chapter 6 hydrology and erosion chapter 7 livestock production chapter 8 wildlife chapter 9 social and economic influences on grazing. Ecosystem management based on evolutionary grazing patterns. An ecological perspective the importance of grazing in ecological systems click on chapter one 1. Livestock grazing is the most widespread land management practice in western north america. An ecological perspective requires that the ecological processes associated with grazing be identified and organized within the structure and function of ecological systems. Grazing management, second edition integrates principles and management techniques that apply to all grazing lands and to all grazing animals. Nyren2 1department of animal and range sciences, north dakota state university, fargo, north dakota 58105 usa 2central grassland research. Each paddock must provide all the needs of the livestock, such as food, water and sometimes shade and shelter.

825 552 301 1234 767 1157 450 1571 1080 233 343 100 1009 798 158 1007 581 173 970 351 725 1350 164 1421 161 907 443 702 731 837 585 1229 328 550