User profiles for Dirac Twidwell

Dirac Twidwell

Professor, University of Nebraska
Verified email at unl.edu
Cited by 4065

The rising Great Plains fire campaign: citizens' response to woody plant encroachment

D Twidwell, WE Rogers, SD Fuhlendorf… - Frontiers in Ecology …, 2013 - Wiley Online Library
Despite years of accumulating scientific evidence that fire is critical for maintaining the structure
and function of grassland ecosystems in the US Great Plains, fire has not been restored …

Quantifying spatial resilience

…, GS Cumming, C Folke, D Twidwell… - Journal of Applied …, 2016 - Wiley Online Library
Anthropogenic stressors affect the ecosystems upon which humanity relies. In some cases
when resilience is exceeded, relatively small linear changes in stressors can cause relatively …

Herbaceous production lost to tree encroachment in United States rangelands

SL Morford, BW Allred, D Twidwell… - Journal of Applied …, 2022 - Wiley Online Library
… , the preservation of intact grasslands (Scholtz & Twidwell, 2022), and the protection of …
Allred conceived and designed the analysis with additional input from Dirac Twidwell and …

Recoupling fire and grazing reduces wildland fuel loads on rangelands

HD Starns, SD Fuhlendorf, RD Elmore, D Twidwell… - …, 2019 - Wiley Online Library
Fire suppression and exclusion, the historically dominant paradigm of fire management, has
resulted in major modifications of fire‐dependent ecosystems worldwide. These changes …

Panarchy: opportunities and challenges for ecosystem management

A Garmestani, D Twidwell, DG Angeler… - Frontiers in Ecology …, 2020 - Wiley Online Library
Addressing unexpected events and uncertainty represents one of the grand challenges of the
Anthropocene, yet ecosystem management is constrained by existing policy and laws that …

Ecosystem services lost to oil and gas in North America

BW Allred, WK Smith, D Twidwell, JH Haggerty… - Science, 2015 - science.org
Advanced technologies in oil and gas extraction coupled with energy demand have encouraged
an average of 50,000 new wells per year throughout central North America since 2000. …

Improving Landsat predictions of rangeland fractional cover with multitask learning and uncertainty

…, DE Naugle, HD Starns, D Twidwell… - Methods in Ecology …, 2021 - Wiley Online Library
Operational satellite remote sensing products are transforming rangeland management and
science. Advancements in computation, data storage and processing have removed …

The last continuous grasslands on Earth: Identification and conservation importance

R Scholtz, D Twidwell - Conservation Science and Practice, 2022 - Wiley Online Library
Grasslands are the most threatened and least protected biome. Yet, no study has been
conducted to identify the last remaining continuous grasslands on Earth. Here, we used World …

[PDF][PDF] Heterogeneity as the basis for rangeland management

…, RWS Fynn, DA McGranahan, D Twidwell - Rangeland systems …, 2017 - library.oapen.org
Rangeland management, like most disciplines of natural resource management, has been
characterized by human efforts to reduce variability and increase predictability in natural …

Refining thresholds in coupled fire–vegetation models to improve management of encroaching woody plants in grasslands

D Twidwell, SD Fuhlendorf, CA Taylor Jr… - Journal of Applied …, 2013 - Wiley Online Library
Restoration priorities are typically established without quantitative information on how to
overcome the thresholds that preclude successful restoration of desirable ecosystem properties …