RSS 1.0Journal of Range Management, Volume 19, Number 6 (November 1966)
ABOUT THE COLLECTIONS
Welcome to the Rangeland Ecology & Management archives. The journal Rangeland Ecology & Management (RE&M; v58, 2005-present) is the successor to the Journal of Range Management (JRM; v. 1-57, 1948-2004.) The archives provide public access, in a "rolling window" agreement with the Society for Range Management, to both titles (JRM and RE&M), from v.1 up to five years from the present year.
The most recent years of RE&M are available through membership in the Society for Range Management (SRM). Membership in SRM is a means to access current information and dialogue on rangeland management.
Your institution may also have access to current issues through library or institutional subscriptions.
Print ISSN: 0022-409x
Online ISSN: 1550-7424
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Recent Submissions
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Journal of Range Management, Volume 19, Number 6 (November 1966)Society for Range Management, 1966-11-01
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Water Intake and Runoff as Affected by Intensity of GrazingWater intake rates on differentially grazed rangeland watersheds were nearly linear with the heavily grazed watershed having the lowest and the lightly grazed watershed the highest rate. Annual runoff was greatest from the heavily grazed watersheds and least from the lightly grazed. Storm characteristics were a factor in the production of runoff.
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Two Modifications to the Vegetation Photographic Charting MethodTwo modifications to the vegetation photographic charting method are suggested: The use of Polaroid film to identify species and density in the field and the use of stereoscopic pairs to facilitate detailed analysis of vegetation and site characteristics in the laboratory.
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Strengthening Range Management Technical Assistance—The AdvisorThe advisor would be more effective if he would forget detail of his discipline and remember principles; if he would learn as much as possible as quickly as possible about the culture he is supposed to advise; and, if he would apply principles in light of cultural limitations. Often the greatest service the foreign advisor can provide is to speak for the technicians of the country, to add the prestige of his position to the recommendations that local technical officers are confident will succeed.
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Strengthening Range Management Assistance—The AdministratorThis paper is an outline of factors involved in assisting a developing nation with range resource programs. It includes 10 points, begining with the need for a range program, and concluding with final transfer of responsibility to the host government.
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Rainfall Effects on Soil Surface Characteristics Following Range Improvement TreatmentsRange improvement treatments-brush clearing, pitting, and seeding to grass-were imposed on twenty-four 6 by 12-foot plots near Tombstone, Arizona. One summer's rainfall of average amount and intensity reduced roughness due to pitting; and such other surface characteristics as erosion pavement and exposed soil approached a state of stability similar to the untreated plots. Surface runoff exhibited little correlation with treatment, but showed a statistically significant negative correlation with crown cover of vegetation.
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Need for a Range Management Approach for Nigerian GrasslandsDevelopment of extensive Nigerian grasslands should follow a range management philosophy. A range management approach offers the best solution for utilization of resources already at hand without the initial need for planting improved forage varieties, fertilization, complicated management schemes, etc. Research information is needed relative to utilizing existing grasslands that can also serve as a base for later development.
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How the Society Can Help Individual Advisors and Country WorkersThis paper suggests that the American Society of Range Management maintain services to visiting trainees to USA and to technicians on overseas assignments; and in other ways help gain needed attention and work on ranges worldwide.
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How Reliable Is a Forage Chemical Analysis?Material collected from aspen and mixed meadow grasses was sent to four nutrition laboratories for chemical analysis. The results obtained were closely comparable in most cases, but some discrepancies were noted, especially for one laboratory.
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Grazing Effects on Grassland Soils of Varanasi, IndiaMoisture content, organic content, carbonate, and calcium content of soils were higher in protected fields than in grazed fields. Soils in overgrazed fields were comparatively coarser in texture and lower in total porosity than in protected fields. Soil pH and nitrate contents showed no marked differences.
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Germination of Range Plant Seeds at Fixed TemperaturesLow temperatures in the 4-10C (39-50F) range were found in the laboratory to delay germination of pasture plants, especially of perenial grasses. Analysis of meteorological data showed temperatures in this range to be prevalent during rainfall periods in the winter (sowing) season in Israel's semi-arid South, and they are considered a critical factor in seeding perennial grasses on arid range. Germination may be improved by agronomic measures, such as plant selection and breeding for cold resistance and seedling vigour, timing of seeding operations, and soil surface treatments to increase soil temperature.
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Expanding Horizons in Worldwide Range ManagementRange management must play an increasingly important role in the efforts of the developing countries to increase their output of livestock products. Technical assistance to guide improvement in the management and use of range and pasture resources can best be provided by international organizations. It is essential to establish a philosophy of range management based on sound ecological principles and shared by a body of dedicated range specialists in each of the countries. Gaining acceptance of such a doctrine, and building up such a body of specialists, then becomes the real objective of technical assistance in range management.
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Cultural Conflicts with the Cattle Business in Zambia, AfricaAfrican cattle production and marketing in Zambia is far below its favorable potential. Stubborn cultural impediments are slowly being overcome. The process involves two basic steps: (1) stimulating the economic wants of the cattle-owning people to the point where these wants become compelling; (2) improving production and marketing practices to the point that sales prices of cattle prove satisfying to the potential seller.
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Cliffrose Browse Yield on Bulldozed Pinyon-Juniper Areas in Northern ArizonaWhere large pinyon and juniper trees were killed 4 to 6 years earlier by bulldozing, cliffrose browse yield was 3.5 lb/acre greater than on untreated sites. Most of the gain represented growth on cliffrose plants established before treatment.
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Chemical Control of Alpine AvensBoth 2,4-D and 2,4,5-T at 1, 2, and 3 lb/acre gave about 98% control. By the third growing season, grasses filled voids left by avens and other forbs.
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Application and Integration of Multiple Linear Regression and Linear Programming in Renewable Resource AnalysesThis paper presents preliminary results of formulating quantitatively the influence of site factors on various nutrient production measures and using these relationships in linear programming models to determine the optimum protein production on a foothill range. Site characteristics for optimum protein production were constrained to fall within the range of variables measured, and were constrained to satisfy certain inherent relationships known about these variables. This example shows a useful application of an operations research technique to resource evaluation problems.
