Tim Seipel
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View article: Global Homogenisation of Plant Communities Along Mountain Roads by Non‐Native Species Despite Mixed Effects at Smaller Scales
Global Homogenisation of Plant Communities Along Mountain Roads by Non‐Native Species Despite Mixed Effects at Smaller Scales Open
Aim Mountain ecosystems are experiencing increased invasion of non‐native plants. These increases in non‐native species put mountains at risk of biotic homogenisation and a reduction of biodiversity. Our study aims to test if non‐native pl…
View article: Beyond the Trail—Understanding Non‐Native Plant Invasions in Mountain Ecosystems
Beyond the Trail—Understanding Non‐Native Plant Invasions in Mountain Ecosystems Open
Aim We aimed to examine the abiotic, biotic and anthropogenic drivers of non‐native plant species distribution along hiking trails in mountainous regions. Location Nine mountain regions across six continents, including North America (USA),…
View article: Household-scale anaerobic digestion of food waste—a community case study from Bozeman, Montana
Household-scale anaerobic digestion of food waste—a community case study from Bozeman, Montana Open
Introduction One-third of food in the United States is wasted, creating significant environmental and social challenges which anaerobic digestion (AD) can address by converting that waste into a nutrient-rich digestate suitable for use as …
View article: Integrating Puccinia punctiformis, a biological control agent, into Cirsium arvense management in semi-arid organic agriculture
Integrating Puccinia punctiformis, a biological control agent, into Cirsium arvense management in semi-arid organic agriculture Open
Puccinia punctiformis is an obligate fungal pathogen of Cirsium arvense, a perennial rhizomatous weed common in temperate ecosystems. Cirsium arvense is difficult to manage in organic agriculture and integrated management is necessary to r…
View article: Mountain roads across the globe significantly alter local soil microclimates
Mountain roads across the globe significantly alter local soil microclimates Open
Mountain roads have repeatedly shown to host significantly different plant species communities compared to the adjacent natural vegetation. Besides the effect of propagule pressure, altered disturbance regime and soil processes, one of the…
View article: Colonization and extinction lags drive non‐linear responses to warming in mountain plant communities across the Northern Hemisphere
Colonization and extinction lags drive non‐linear responses to warming in mountain plant communities across the Northern Hemisphere Open
Global warming is changing plant communities due to the arrival of new species from warmer regions and declining abundance of cold‐adapted species. However, experimentally testing predictions about trajectories and rates of community chang…
View article: Darwin’s Naturalization Conundrum explained by gradients of environmental stress and disturbance
Darwin’s Naturalization Conundrum explained by gradients of environmental stress and disturbance Open
Darwin’s Naturalization Conundrum (DNC) states that non-native species closely related to the native community are either more likely to succeed because shared adaptations help them overcome environmental filtering, or less likely to succe…
View article: Tillage and crop sequences for organic <i>Cirsium arvense</i> management in the Northern Great Plains
Tillage and crop sequences for organic <i>Cirsium arvense</i> management in the Northern Great Plains Open
The perennial rhizomatous weed Cirsium arvense (L.) Scop. is difficult to manage on semiarid organic farms. Our objective was to quantify the impact of eight 4‐year crop sequences crossed with standard‐ and reduced‐tillage on C. arvense oc…
View article: Roadside disturbance promotes plant communities with arbuscular mycorrhizal associations in mountain regions worldwide
Roadside disturbance promotes plant communities with arbuscular mycorrhizal associations in mountain regions worldwide Open
We assessed the impact of road disturbances on the dominant mycorrhizal types in ecosystems at the global level and how this mechanism can potentially lead to lasting plant community changes. We used a database of coordinated plant communi…
View article: Roadside disturbance promotes arbuscular mycorrhizal communities in mountain regions worldwide
Roadside disturbance promotes arbuscular mycorrhizal communities in mountain regions worldwide Open
Aim: We aimed to assess the impact at the global level of physical anthropogenic disturbances on the dominant mycorrhizal types in ecosystems and how this mechanism can potentially lead to lasting plant community changes. Location: Globall…
View article: Crop rotation and cultivation effects on Convolvulus arvensis population dynamics in small grain organic cropping systems
Crop rotation and cultivation effects on Convolvulus arvensis population dynamics in small grain organic cropping systems Open
Convolvulus arvensis L. Scop. (field bindweed) is a difficult weed to manage in organic cropping systems. Convolvulus arvensis suppression often requires intensive tillage and cultivation practices that have negative impacts on soil qualit…
View article: Impact of Puccinia punctiformis on Cirsium arvense performance in a simulated crop sequence
Impact of Puccinia punctiformis on Cirsium arvense performance in a simulated crop sequence Open
Cirsium arvense (Canada thistle) is a perennial weed that causes significant economic losses in agriculture. An extensive rhizomatous root system makes C. arvense difficult to manage, particularly in agricultural systems that use tillage a…
View article: Rapid upwards spread of non-native plants in mountains across continents
Rapid upwards spread of non-native plants in mountains across continents Open
High-elevation ecosystems are among the few ecosystems worldwide that are not yet heavily invaded by non-native plants. This is expected to change as species expand their range limits upwards to fill their climatic niches and respond to on…
View article: MIREN survey of plant species in mountains
MIREN survey of plant species in mountains Open
These data consist of plant species records observed between 2007 and 2019 and used in publications listed on the MIREN website. These are records of vascular plant species along mountain roads, the sampling strategy is explained in the ac…
View article: Soil bacterial community response to cover crops, cover crop termination, and predicted climate conditions in a dryland cropping system
Soil bacterial community response to cover crops, cover crop termination, and predicted climate conditions in a dryland cropping system Open
Soil microbial communities are integral to highly complex soil environments, responding to changes in aboveground plant biodiversity, influencing physical soil structure, driving nutrient cycling, and promoting both plant growth and diseas…
View article: Cropping systems alter plant volatile emissions in the field through soil legacy effects
Cropping systems alter plant volatile emissions in the field through soil legacy effects Open
Crops emit a variety of volatile organic compounds (VOCs) that serve as attractants or repellents for pests and their natural enemies. Crop rotations, off-farm chemical inputs, and mechanical and cultural tactics – collectively called crop…
View article: Weed Communities in Winter Wheat: Responses to Cropping Systems under Different Climatic Conditions
Weed Communities in Winter Wheat: Responses to Cropping Systems under Different Climatic Conditions Open
Understanding the impact of biological and environmental stressors on cropping systems is essential to secure the long-term sustainability of agricultural production in the face of unprecedented climatic conditions. This study evaluated th…
View article: Think globally, measure locally: The MIREN standardized protocol for monitoring plant species distributions along elevation gradients
Think globally, measure locally: The MIREN standardized protocol for monitoring plant species distributions along elevation gradients Open
Climate change and other global change drivers threaten plant diversity in mountains worldwide. A widely documented response to such environmental modifications is for plant species to change their elevational ranges. Range shifts are ofte…
View article: Predicted climate conditions and cover crop composition modify weed communities in semiarid agroecosystems
Predicted climate conditions and cover crop composition modify weed communities in semiarid agroecosystems Open
The US Northern Great Plains is one of the largest expanses of small grain agriculture, but excessive reliance on off‐farms inputs and predicted warmer and drier conditions hinder its agricultural sustainability. In this region, the use of…
View article: MIREN survey of plant species in mountains
MIREN survey of plant species in mountains Open
These data consist of plant species records observed between 2007 and 2023 and used in publications listed on the MIREN website. These are records of vascular plant species along mountain roads, the sampling strategy is explained in the ac…
View article: MIREN survey of plant species in mountains
MIREN survey of plant species in mountains Open
These data consist of plant species records observed between 2007 and 2015 and used in publications listed on the MIREN website. These are records of vascular plant species along mountain roads, the sampling strategy is explained in the ac…
View article: Think globally, measure locally: The MIREN standardized protocol for monitoring species distributions along elevation gradients
Think globally, measure locally: The MIREN standardized protocol for monitoring species distributions along elevation gradients Open
Climate change and other global change drivers threaten plant diversity in mountains worldwide. A widely documented response to such environmental modifications is for plant species to change their elevational ranges. Range shifts are ofte…
View article: Temporal Soil Bacterial Community Responses to Cropping Systems and Crop Identity in Dryland Agroecosystems of the Northern Great Plains
Temporal Soil Bacterial Community Responses to Cropping Systems and Crop Identity in Dryland Agroecosystems of the Northern Great Plains Open
Industrialized agriculture results in simplified landscapes where many of the regulatory ecosystem functions driven by soil biological and physicochemical characteristics have been hampered or replaced with intensive, synthetic inputs. To …
View article: Plant community responses to integrating livestock into a reduced‐till organic cropping system
Plant community responses to integrating livestock into a reduced‐till organic cropping system Open
The problems with herbicide‐ and tillage‐based weed management in agriculture are well documented and have precipitated research into finding alternatives. Integrating livestock grazing into organic agroecosystems has benefits and is a via…
View article: Impacts of Dryland Cropping Systems on Ground Beetle Communities (Coleoptera: Carabidae) in the Northern Great Plains
Impacts of Dryland Cropping Systems on Ground Beetle Communities (Coleoptera: Carabidae) in the Northern Great Plains Open
Ground beetles are natural predators of insect pests and small seeds in agroecosystems. In semiarid cropping systems of the Northern Great Plains, there is a lack of knowledge to how ground beetles are affected by diversified cover crop ro…
View article: Dryland Cropping Systems, Weed Communities, and Disease Status Modulate the Effect of Climate Conditions on Wheat Soil Bacterial Communities
Dryland Cropping Systems, Weed Communities, and Disease Status Modulate the Effect of Climate Conditions on Wheat Soil Bacterial Communities Open
Climate change is affecting global moisture and temperature patterns, and its impacts are predicted to worsen over time, posing progressively larger threats to food production. In the Northern Great Plains of the United States, climate cha…
View article: Weed communities and wheat yield are modified by cropping systems and climate conditions
Weed communities and wheat yield are modified by cropping systems and climate conditions Open
Summary Understanding the impact of biological and environmental stresses on crop performance is essential to secure the long-term sustainability of agricultural production. How cropping systems modify weed communities and wheat yield in r…