Evaluation of the APEX cattle weight gain component for grazing decision-support in the Western Great Plains
文献类型：期刊论文
| 作者 | Cheng, G.2,3; Harmel, R. D.4; Ma, L.5; Derner, J. D.6; Augustine, D. J.5; Bartling, P. N. S.5; Fang, Q. X.7; Williams, J. R.8; Zilverberg, C. J.9; Boone, R. B.1 |
| 刊名 | RANGELAND ECOLOGY & MANAGEMENT
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| 出版日期 | 2022-05-01 |
| 卷号 | 82期号:1页码:1-11 |
| 关键词 | daily weight gain dry matter intake rangeland rotational grazing shortgrass steppe |
| ISSN号 | 1550-7424 |
| DOI | 10.1016/j.rama.2022.01.005 |
| 通讯作者 | Harmel, R. D.() ; Yu, Q.() |
| 英文摘要 | Rotational grazing studies have produced mixed results related to animal performance (weight gain), which has contributed to producer uncertainty regarding grazing management decisions. To enhance decision-support for producers, we improved algorithms in the Agricultural Policy/Environmental eXtender (APEX) model to better represent cattle weight gain in real-world rangeland conditions under two grazing management strategies. Simulated weight gain and related forage effects were evaluated with experimental data from 2014 to 2018 under two grazing strategies. The traditional rangeland management strategy used continuous season-long grazing stocked at a moderate level. The collaborative adaptive rangeland management strategy employed grazing with one large herd rotated using a sequence developed by a stakeholder group with movement between pastures driven by predetermined decision triggers. For each grazing strategy, yearling steers grazed from mid-May to October on ten 130-ha pastures. With the APEX modifications, daily weight gain was adequately simulated for both continuous (traditional rangeland management) grazing and management intensive rotational (collaborative adaptive rangeland management) grazing. Dry matter intake, total digestible nutrients, and temporal distribution of dry matter intake were the primary influencers of cattle performance (weight gain). Once shown to be accurate, we used APEX to evaluate several management alternatives (i.e., stocking rate, rotation interval, and rotation decision criteria) to showcase its decision support capabilities. These important enhancements increase the utility of APEX in semiarid environments, such as the western Great Plains, in providing science-based rangeland decision support to ranchers, agency land managers, and policy makers. Published by Elsevier Inc. on behalf of The Society for Range Management. |
| WOS关键词 | STOCKING RATE ; ALTERNATIVE PRACTICES ; ADAPTIVE MANAGEMENT ; CLIMATE-CHANGE ; SIMULATION ; IMPACTS ; MODEL ; PERFORMANCE ; STRATEGIES ; RANGELANDS |
| 资助项目 | National Natural Science Foundation of China[41961124006] ; National Natural Science Foundation of China[41730645] ; US National Science Foundation[1903722] ; program of China Scholarships Council[201806300 098] ; United States Department of Agriculture |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000813464000001 |
| 出版者 | SOC RANGE MANAGEMENT |
| 资助机构 | National Natural Science Foundation of China ; US National Science Foundation ; program of China Scholarships Council ; United States Department of Agriculture |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/180058]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Harmel, R. D.; Yu, Q. |
| 作者单位 | 1.Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USA 2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China 3.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China 4.USDA ARS, Ctr Agr Resources Res, 2150 Ctr Ave,Bldg D, Ft Collins, CO 80526 USA 5.USDA ARS, Rangeland Resources & Syst Res Unit, Ft Collins, CO 80526 USA 6.USDA ARS, Rangeland Resources & Syst Res Unit, Cheyenne, WY 82009 USA 7.Qingdao Agr Univ, Qingdao 266109, Peoples R China 8.Texas A&M Univ, Temple, TX 76502 USA 9.Dakota Lakes Res Farm, Pierre, SD 57501 USA 10.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, G.,Harmel, R. D.,Ma, L.,et al. Evaluation of the APEX cattle weight gain component for grazing decision-support in the Western Great Plains[J]. RANGELAND ECOLOGY & MANAGEMENT,2022,82(1):1-11. |
| APA | Cheng, G..,Harmel, R. D..,Ma, L..,Derner, J. D..,Augustine, D. J..,...&Yu, Q..(2022).Evaluation of the APEX cattle weight gain component for grazing decision-support in the Western Great Plains.RANGELAND ECOLOGY & MANAGEMENT,82(1),1-11. |
| MLA | Cheng, G.,et al."Evaluation of the APEX cattle weight gain component for grazing decision-support in the Western Great Plains".RANGELAND ECOLOGY & MANAGEMENT 82.1(2022):1-11. |
入库方式： OAI收割
来源：地理科学与资源研究所
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