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A systematic review and meta-analysis of Old-World bluestem control in the United States 美国旧大陆蓝茎控制的系统回顾和荟萃分析
Pub Date : 2025-12-01 DOI: 10.1016/j.rala.2025.10.002
Talia Humphries , Christopher J. Lortie , Jacob Lucero
  • In the United States, “Old-World” bluestems – non-native grasses from the genera Bothriochloa and Dichanthium – have become destructive invasive species in rangeland systems due to their aggressive spread, severe negative impacts on local biodiversity, and relatively poor forage value to livestock and native grazers.
  • Controlling Old-World bluestems is an important ecological and economic priority, but no attempts have been made to quantitatively synthesize the effectiveness of contemporary management practices.
  • Our objective was to conduct a systematic review and meta-analysis of Old-World bluestem management in the United States, with the goal of identifying practices providing effective control.
  • Our systematic review included 16 research articles satisfying our search criteria that resulted in 89 observations for meta-analysis. Selected studies were conducted in Texas, Oklahoma, and Kansas.
  • Burn, herbicide + burn, rain shelter + burn, and competition (e.g., overseeding) treatments significantly improved control of invasive bluestems. Counterintuitively, removal treatments resulted in a significant increase of invasive bluestems. Herbicides used singularly were not effective.
  • Old-World bluestems pose substantial threats to working ecosystems. Some practices afford effective control, but in general, the practical management of these invasive species is understudied.
•在美国,“旧世界”蓝草——来自Bothriochloa属和Dichanthium属的非本地草——由于其侵略性的传播,对当地生物多样性的严重负面影响,以及对牲畜和本地食草动物相对较差的饲料价值,已经成为牧场系统中的破坏性入侵物种。•控制旧世界蓝系统是一个重要的生态和经济优先事项,但没有尝试定量综合当代管理实践的有效性。•我们的目标是对美国旧世界蓝茎管理进行系统回顾和荟萃分析,目的是确定提供有效控制的实践。•我们的系统综述纳入了16篇符合我们搜索标准的研究文章,得出89项观察结果进行meta分析。选定的研究在德克萨斯州、俄克拉荷马州和堪萨斯州进行。•烧伤、除草剂 + 烧伤、雨棚 + 烧伤和竞争(如过度播种)处理显著改善了入侵性蓝伤的控制。与直觉相反,去除治疗导致侵入性蓝系统的显著增加。单一使用除草剂效果不佳。•旧世界蓝系统对生态系统构成了巨大威胁。一些做法提供了有效的控制,但总的来说,这些入侵物种的实际管理研究不足。
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引用次数: 0
Do ranchers view woody-plant encroachment as an ethical issue? A survey of ranchers about woody-plant encroachment and use of goats to control it 牧场主是否认为侵犯林木是一个道德问题?牧场主对林木入侵及利用山羊防治的调查
Pub Date : 2025-12-01 DOI: 10.1016/j.rala.2025.10.001
Zachary Carter , Kristin F. Hurst
  • Mixed species herbivory (MSH) is a promising way to manage woody plant encroachment (WPE) but is currently underutilized.
  • Through an online survey consisting primarily of open response questions, we elicited respondents' perspectives on MSH and the barriers to its adoption.
  • Guided by literature on moral reframing, we asked respondents to craft ethically grounded arguments in favor of woody plant management.
  • While most respondents supported the use of MSH to control WPE, the use of moral arguments was divisive.
混合种草食(MSH)是一种很有前途的管理木本植物入侵(WPE)的方法,但目前尚未得到充分利用。•通过一项主要由开放式回答问题组成的在线调查,我们引出了受访者对MSH的看法以及采用MSH的障碍。•在有关道德重构的文献的指导下,我们要求受访者在支持木本工厂管理方面提出合乎道德的论点。•虽然大多数受访者支持使用MSH来控制WPE,但道德论点的使用存在分歧。
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引用次数: 0
“It gives you hope”: Lessons from a Colorado-based drought-adaptation program for agriculture “它给你希望”:来自科罗拉多州农业干旱适应项目的经验教训
Pub Date : 2025-12-01 DOI: 10.1016/j.rala.2025.08.001
Victoria Kauffman , Retta Bruegger , Jill Zarestky
  • Drought and variability, exacerbated by climate change, exerts pressure on the economic viability of rangeland agriculture, and subsequently, agricultural producers themselves.
  • In response, we undertook a personalized consulting program, called the Drought Plan Program for ranchers and farmers to aid them in making a drought plan and adapting their operations in preparation for and response to drought.
  • In follow-up surveys and interviews of program participants, 100% of respondents said they would recommend drought planning and the Drought Plan Program to other producers.
  • Beyond encouraging producers to make drought plans, the Drought Plan Program produced unanticipated benefits, such as a reduction in stress levels and improved intra-operation communication, among participants.
  • If the goal is to foster adoption and innovation, Extension and other outreach programs should prioritize accountability, structure, trust, and personal relationships as much as information and facts in outreach efforts.
•气候变化加剧了干旱和变化,对牧场农业的经济可行性施加压力,进而对农业生产者本身施加压力。•作为回应,我们为牧场主和农民开展了一个名为“干旱计划”的个性化咨询项目,帮助他们制定干旱计划,并调整他们的操作,以准备和应对干旱。•在对项目参与者的后续调查和访谈中,100%的受访者表示他们会向其他生产者推荐抗旱计划和抗旱计划项目。•除了鼓励生产商制定抗旱计划外,抗旱计划项目还产生了意想不到的效益,例如减轻了压力水平,改善了参与者之间的操作沟通。•如果目标是促进采用和创新,推广和其他推广项目应该优先考虑问责制、结构、信任和个人关系,而不是信息和事实。
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引用次数: 0
Factors influencing pastoralists’ participation in rangeland restoration and rehabilitation projects: A case study in west Iran 影响牧民参与牧场恢复和恢复项目的因素:伊朗西部的案例研究
Pub Date : 2025-12-01 DOI: 10.1016/j.rala.2025.07.003
Farzad Ahmadi, Heydar Mirzaei
  • Monetary benefits related to rangeland restoration and rehabilitation projects had the strongest power in predicting participation in the planning implementation stages.
  • Ecological knowledge had the strongest power in predicting participation in the implementation phase of rangeland rehabilitation and restoration projects.
  • Considering the independent variables, ecological knowledge had the highest average score among the participants.
•与牧场恢复和重建项目有关的金钱利益在预测规划执行阶段的参与方面具有最强的力量。•生态知识在预测草原恢复和恢复项目实施阶段的参与度方面具有最强的能力。•考虑自变量,生态知识在参与者中平均得分最高。
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引用次数: 0
Pub Date : 2025-12-01 DOI: 10.1016/j.rala.2025.11.002
Matthew J. Germino
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引用次数: 0
Prescribed fire effects on vegetation responses in subtropical rangelands 规定火对亚热带放牧区植被响应的影响
Pub Date : 2025-10-01 DOI: 10.1016/j.rala.2025.05.001
Abmael S. Cardoso , Maria L. Silveira , Marta M. Kohmann , Joao M.B. Vendramini , João M.D. Sanchez , Namrata Ghimire , Rosvel Bracho
  • We investigated the effects of prescribed fire and mechanical control on plant productivity and diversity over a 7-year field study in Florida’s subtropical rangelands.
  • Prescribed fire was effective at increasing above-ground biomass of grasses and forbs, while also suppressing saw-palmetto.
  • Fire in combination with mechanical control resulted in the greatest reduction in saw-palmetto biomass and ground cover. However, it also increased undesirable grasses, which warrants further research at the species level.
  • Increasing fire frequency and mechanical control are effective strategies to reduce the proportion of shrubs while also increasing desirable plant species in Florida’s subtropical rangelands.
•我们在佛罗里达州亚热带牧场进行了为期7年的实地研究,研究了规定火灾和机械控制对植物生产力和多样性的影响。•明火能有效增加禾草和牧草的地上生物量,同时也能抑制锯棕榈的生长。•火灾与机械控制相结合导致锯棕榈生物量和地面覆盖面积的最大减少。然而,它也增加了不受欢迎的草,值得在物种水平上进一步研究。•增加火灾频率和机械控制是减少灌木比例的有效策略,同时也增加了佛罗里达州亚热带牧场的理想植物种类。
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引用次数: 0
Long-term cheatgrass (Bromus tectorum L.) control increases shrub leader growth and mule deer (Odocoileus hemionus) visitation 长期控制沙草(Bromus tectorum L.)会增加灌木头领的生长和骡鹿(Odocoileus hemionus)的造访
Pub Date : 2025-10-01 DOI: 10.1016/j.rala.2025.07.001
Jacob S. Courkamp , James R. Sebastian , Joseph K. Swanson
  • Invasive annual grasses like cheatgrass (Bromus tectorum L.) are widespread and abundant in western North America, where they compete with native plants that are important components of wildlife habitat.
  • Mule deer (Odocoileus hemionus) are an important wildlife species that typically rely on woody shrubs for forage during winter months.
  • Competition from cheatgrass may limit shrub growth and reduce winter forage availability for mule deer, with potential negative effects on mule deer survival and population growth. Thus, effective cheatgrass management may reduce competition and increase winter forage availability for mule deer.
  • Herbicide application to control cheatgrass increased shrub leader growth, and data collected with camera traps suggest mule deer may preferentially use herbicide-treated areas during winter.
  • A wide variety of complex and interacting factors influence mule deer habitat use. Our project represents an important first step, but additional research is necessary to more fully investigate the benefits of effective cheatgrass management for mule deer and other important wildlife species.
•入侵的一年生草,如沙草(Bromus tectorum L.)在北美西部广泛而丰富,在那里它们与本土植物竞争,而本土植物是野生动物栖息地的重要组成部分。•骡鹿(Odocoileus hemionus)是一种重要的野生动物物种,通常在冬季依靠木本灌木觅食。•来自欺骗草的竞争可能会限制灌木生长,减少骡鹿的冬季饲料供应,对骡鹿的生存和种群增长产生潜在的负面影响。因此,有效的欺骗草管理可以减少竞争,增加骡鹿的冬季饲料供应。•使用除草剂控制作弊草会增加灌木领袖的生长,用相机陷阱收集的数据表明,骡鹿可能在冬季优先使用除草剂处理过的地区。•各种复杂和相互作用的因素影响着骡鹿的栖息地利用。我们的项目是重要的第一步,但需要更多的研究来更全面地调查有效的欺骗草管理对骡鹿和其他重要野生动物物种的好处。
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引用次数: 0
Reimagining rangeland research: Feminist standpoint theory meets rangeland social science 重新构想牧场研究:女性主义立场理论与牧场社会科学的相遇
Pub Date : 2025-10-01 DOI: 10.1016/j.rala.2025.05.002
Zubair Barkat, Stacia Ryder, Jessica D. Ulrich-Schad
  • As rangeland social scientists increasingly stress the importance of the inclusion of historically suppressed voices, the question arises: how do we better incorporate and value situated knowledge from the experiences of marginalized ranchers? This research explores the application of feminist standpoint theory in rangeland social science to enhance theory and practice.
  • Standpoint theory argues that knowledge is socially situated and explains how existing on the margins of social structures informs a critical perspective. Those who benefit from dominant systems often overlook how power structures operate.
  • We draw on two cases to show how individuals who experience oppression can identify problematic assumptions and provide unique insights into how social identities shape power dynamics in rangelands.
  • Findings demonstrate that those from marginalized backgrounds who are critically engaged with systems of oppression offer epistemic advantages by providing alternative viewpoints that challenge dominant paradigms in rangeland research. Socially situated knowledge can open new ways of approaching social science research by considering the often underrepresented perspectives of marginalized ranchers.
  • It behooves us to be more attentive to the voices and experiences of non-white and non-male ranchers and to embrace their perspectives at every stage of our research design. By doing so, we can potentially achieve a more rigorous form of objectivity.
•随着牧场社会科学家越来越多地强调包容历史上被压制的声音的重要性,问题出现了:我们如何更好地从边缘化牧场主的经验中吸收和重视定位知识?本研究探讨女性主义立场理论在草原社会科学中的应用,以加强理论与实践的结合。•立场理论认为,知识是社会定位的,并解释了存在于社会结构边缘的知识如何为批判性观点提供信息。那些从主导体系中受益的人往往忽视了权力结构的运作方式。•我们利用两个案例来展示遭受压迫的个人如何识别有问题的假设,并为社会身份如何塑造牧场的权力动态提供独特的见解。•研究结果表明,那些来自边缘背景的人通过提供挑战牧场研究中主流范式的另类观点,批判性地参与了压迫系统,从而提供了认知优势。社会定位的知识可以打开接近社会科学研究的新途径,通过考虑边缘化的牧场主往往代表性不足的观点。•我们应该更多地关注非白人和非男性农场主的声音和经历,并在我们研究设计的每个阶段接受他们的观点。通过这样做,我们可以潜在地实现更严格形式的客观性。
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引用次数: 0
RangeDocs: searchable science for rangeland management RangeDocs:牧场管理的可搜索科学
Pub Date : 2025-10-01 DOI: 10.1016/j.rala.2025.07.002
Amber Dalke , Jason W. Karl , Jeremy Kenyon , Jeanne Pfander , Sheila Merrigan , Sean Di Stefano , Matthew King , Eric Winford , Karen Launchbaugh
  • RangeDocs (https://docs.rangelandsgateway.org) allows Extension professionals, agency staff, producers, and other land managers to search rangeland terms and pinpoint applicable information from key national and regional rangeland resources.
  • An updated rangeland-specific glossary, synthesized from multiple sources, provides a set of common terms for searching in key rangeland management technical documents.
  • Technical resources in RangeDocs have been annotated by rangeland experts to provide efficient search results that point to highly relevant information.
  • The RangeDocs web application takes users to specific pages within key rangeland documents related to their search topics.
  • RangeDocs collections are groupings of individual pages from various documents focused on specific rangeland issues. All collections can be shared and stored on a smartphone for offline use.
  • Dependable, targeted information found in one place will save land managers valuable time in both the office and the field.
•RangeDocs (https://docs.rangelandsgateway.org)允许推广专业人员、机构工作人员、生产者和其他土地管理者搜索牧场术语,并从关键的国家和地区牧场资源中精确定位适用信息。•一个更新的牧场专用词汇表,从多个来源合成,提供了一套通用术语,用于搜索关键牧场管理技术文档。•RangeDocs中的技术资源已由牧场专家注释,以提供指向高度相关信息的高效搜索结果。•RangeDocs web应用程序将用户带到与搜索主题相关的关键牧场文档中的特定页面。•RangeDocs集合是针对特定牧场问题的各种文档的单独页面的分组。所有的收藏都可以共享并存储在智能手机上,以供离线使用。•在一个地方找到可靠的、有针对性的信息,将节省土地管理者在办公室和现场的宝贵时间。
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引用次数: 0
Actor-network analysis of partners facilitating regenerative ranching practices in the US Northern Great Plains 促进美国北部大平原牧场再生实践的合作伙伴的行动者-网络分析
Pub Date : 2025-08-01 DOI: 10.1016/j.rala.2025.01.003
Timothy Pape , Gwendŵr Meredith , David Sandahl , Md Faizul Kabir , Simanti Banerjee , Craig Allen , Elliott Dennis , Mitchell Stephenson
  • Regenerative agriculture has been offered as an ecologically thoughtful means of food production, yet questions remain regarding how individuals in rural communities transition toward regenerative practices.
  • We studied dynamics related to the transition from traditional ranching to regenerative ranching by employing actor-network analysis on 24 semistructured interviews from ranchers in the Northern Great Plains region of the United States, who self-identify as implementing regenerative agricultural practices.
  • We found government and nongovernmental organization financial and technical programs are vital for effectuating regenerative practices on ranching operations, even though many programs are not directly oriented toward regenerative agriculture.
  • Understanding the processes and relationships facilitating regenerative ranching is important for policymakers and stakeholders engaged in managing rangelands resiliently and equitably.
•可再生农业已被视为一种生态上深思熟虑的粮食生产方式,但关于农村社区的个人如何向可再生实践过渡的问题仍然存在。•我们通过对来自美国北部大平原地区的农场主的24个半结构化访谈进行行动者网络分析,研究了与从传统牧场向再生牧场过渡相关的动态,这些农场主自认为实施了再生农业实践。•我们发现政府和非政府组织的财政和技术项目对于在牧场运营中实施可再生实践至关重要,尽管许多项目并不直接面向可再生农业。•了解促进再生牧场的过程和关系,对于参与牧场弹性和公平管理的政策制定者和利益相关者非常重要。
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引用次数: 0
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Rangelands
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