Open Access. Powered by Scholars. Published by Universities.®
Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- Abundance; Alliaria petiolata ; Berberis thunbergii ; Celastrus orbiculatus ; citizen science; distribution; Elaeagnus umbellata ; Frangula alnus ; Lythrum salicaria ; Microstegium vimineum ; Polygonum cuspidatum ; Rosa multiflora (1)
- Anadromous (1)
- Bromus tectorum (1)
- Complex Adaptive Systems (1)
- Continuous Change Detection and Classification (CCDC) (1)
-
- Coupled human and natural systems (1)
- Defoliation (1)
- Ecosystem services (1)
- Extreme climate event (1)
- Family forests (1)
- Fire regime alteration (1)
- Food security (1)
- Governance (1)
- Grass-fire cycle (1)
- Groundwater (1)
- Gulf of Maine fisheries (1)
- Gypsy moth (1)
- Historical ecology (1)
- Institutional design (1)
- Invasive grass (1)
- Invasive plant (1)
- Landsat (1)
- Lymantria dispar (1)
- Management (1)
- Moderate Resolution Imaging Spectroradiometer (MODIS) burned area product (1)
- Pelagic (1)
- Phenology (1)
- Recreation (1)
- Sustainability (1)
- Synthetic images (1)
Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Near-Real-Time Monitoring Of Insect Defoliation Using Landsat Time Series, Valerie J. Pasquarella, Bethany A. Bradley, Curtis E. Woodcock
Near-Real-Time Monitoring Of Insect Defoliation Using Landsat Time Series, Valerie J. Pasquarella, Bethany A. Bradley, Curtis E. Woodcock
Environmental Conservation Faculty Publication Series
Introduced insects and pathogens impact millions of acres of forested land in the United States each year, and large-scale monitoring efforts are essential for tracking the spread of outbreaks and quantifying the extent of damage. However, monitoring the impacts of defoliating insects presents a significant challenge due to the ephemeral nature of defoliation events. Using the 2016 gypsy moth (Lymantria dispar) outbreak in Southern New England as a case study, we present a new approach for near-real-time defoliation monitoring using synthetic images produced from Landsat time series. By comparing predicted and observed images, we assessed changes in vegetation …
Frequency Of Invasive Plant Occurrence Is Not A Suitable Proxy For Abundance In The Northeast United States, Tyler Cross, John T. Finn, Bethany A. Bradley
Frequency Of Invasive Plant Occurrence Is Not A Suitable Proxy For Abundance In The Northeast United States, Tyler Cross, John T. Finn, Bethany A. Bradley
Environmental Conservation Faculty Publication Series
Measuring and predicting invasive plant abundance is critical for understanding impacts on ecosystems and economies. Although spatial abundance datasets remain rare, occurrence datasets are increasingly available across broad regional scales. We asked whether the frequency of these point occurrences can be used as a proxy for abundance of invasive plants. We compiled both occurrence and abundance data for 13 regionally important invasive plants in the northeast United States from herbarium records and several contributed distribution datasets. We integrated all available abundance information based on infested area, stem count, percent cover, or qualitative descriptions into abundance rankings ranging from 0 (absent) …
Cheatgrass (Bromus Tectorum) Distribution In The Intermountain Western United States And Its Relationship To Fire Frequency, Seasonality, And Ignitions, Bethany A. Bradley, Caroline A. Curtis, Emily J. Fusco, John T. Abatzoglou, Jennifer K. Balch, Sepideh Dadashi, Mao-Ning Tuanmu
Cheatgrass (Bromus Tectorum) Distribution In The Intermountain Western United States And Its Relationship To Fire Frequency, Seasonality, And Ignitions, Bethany A. Bradley, Caroline A. Curtis, Emily J. Fusco, John T. Abatzoglou, Jennifer K. Balch, Sepideh Dadashi, Mao-Ning Tuanmu
Environmental Conservation Faculty Publication Series
Cheatgrass (Bromus tectorum) is an invasive grass pervasive across the Intermountain Western US and linked to major increases in fire frequency. Despite widespread ecological impacts associated with cheatgrass, we lack a spatially extensive model of cheatgrass invasion in the Intermountain West. Here, we leverage satellite phenology predictors and thousands of field surveys of cheatgrass abundance to create regional models of cheatgrass distribution and percent cover. We compare cheatgrass presence to fire probability, fire seasonality and ignition source. Regional models of percent cover had low predictive power (34% of variance explained), but distribution models based on a threshold of …
Tambora And The Mackerel Year: Phenology And Fisheries During An Extreme Climate Event, Karen E. Alexander, William B. Leavenworth, Theodore V. Willis, Carolyn Hall, Steven Mattocks, Steven M. Bittner, Emily Klein, Michelle Staudinger, Alexander Bryan, Julianne Rosset, Benjamin H. Carr, Adrian Jordaan
Tambora And The Mackerel Year: Phenology And Fisheries During An Extreme Climate Event, Karen E. Alexander, William B. Leavenworth, Theodore V. Willis, Carolyn Hall, Steven Mattocks, Steven M. Bittner, Emily Klein, Michelle Staudinger, Alexander Bryan, Julianne Rosset, Benjamin H. Carr, Adrian Jordaan
Environmental Conservation Faculty Publication Series
Global warming has increased the frequency of extreme climate events, yet responses of biological and human communities are poorly understood, particularly for aquatic ecosystems and fisheries. Retrospective analysis of known outcomes may provide insights into the nature of adaptations and trajectory of subsequent conditions. We consider the 1815 eruption of the Indonesian volcano Tambora and its impact on Gulf of Maine (GoM) coastal and riparian fisheries in 1816. Applying complex adaptive systems theory with historical methods, we analyzed fish export data and contemporary climate records to disclose human and piscine responses to Tambora’s extreme weather at different spatial and temporal …
Ecosystem Service Supply And Capacity On U.S. Family Forestlands, Jesse Caputo, Brett Butler
Ecosystem Service Supply And Capacity On U.S. Family Forestlands, Jesse Caputo, Brett Butler
Environmental Conservation Faculty Publication Series
Individuals and families collectively own more than 118 million ha of forestland in the USA. Using data from the USDA Forest Service’s National Woodland Owners Survey (NWOS), we characterize ecosystem services being produced on family forests as well as the beneficiaries who enjoy them. Approximately half of family forest owners provide one or more provisioning services. With the exception of logs, the provisioning services provided by the majority of owners are enjoyed directly by owners or their close associates (i.e., family, friends, and neighbors). Similarly, while more than half of family forest owners have provided recreational opportunities, a cultural service, …
The Importance Of Institutional Design For Distributed Local-Level Governance Of Groundwater: The Case Of California’S Sustainable Groundwater Management Act, Michael Kiparsky, Anita Milman, Dave Owen, Andrew T. Fisher
The Importance Of Institutional Design For Distributed Local-Level Governance Of Groundwater: The Case Of California’S Sustainable Groundwater Management Act, Michael Kiparsky, Anita Milman, Dave Owen, Andrew T. Fisher
Environmental Conservation Faculty Publication Series
In many areas of the world, groundwater resources are increasingly stressed, and unsustainable use has become common. Where existing mechanisms for governing groundwater are ineffective or nonexistent, new ones need to be developed. Local level groundwater governance provides an intriguing alternative to top-down models, with the promise of enabling management to better match the diversity of physical and social conditions in groundwater basins. One such example is emerging in California, USA, where new state law requires new local agencies to self-organize and act to achieve sustainable groundwater management. In this article, we draw on insights from research on common pool …