Land Change Science Program

Publications

Listed here are the most recent publications, reports and articles by the Land Change Science program.

Filter Total Items: 584
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Year Published: 2020

Dust deposited on snow cover in the San Juan Mountains, Colorado, 2011-2016: Compositional variability bearing on snow-melt effects

Light-absorbing particles in atmospheric dust deposited on snow cover (dust-on-snow, DOS) diminish albedo and accelerate the timing and rate of snow melt. Identification of these particles and their effects are relevant to snow-radiation modeling and thus water-resource management. Laboratory-measured reflectance of DOS samples from the San Juan...

Reynolds, Richard L.; Goldstein, Harland L.; Moskowitz, Bruce M.; Kokaly, Raymond; Munson, Seth M.; Solheid, Peat; Breit, George N.; Lawrence, Corey R.; Derry, Jeff

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Year Published: 2020

The influence of pre-fire growth patterns on post-fire tree mortality for common conifers in western U.S. parks

Fire severity in forests is often defined in terms of post-fire tree mortality, yet the influences on tree mortality following fire are not fully understood. For trees that are not killed immediately by severe fire injury, pre-fire growth may partially predict post-fire mortality probabilities for conifers of the western U.S. Here, we consider the...

van Mantgem, Phillip; Falk, Donald A.; Williams, Emma C.; Das, Adrian J.; Stephenson, Nathan L.

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Year Published: 2020

Increasing rates of carbon burial in southwest Florida coastal wetlands

Rates of organic carbon (OC) burial in some coastal wetlands appear to be greater in recent years than they were in the past. Possible explanations include ongoing mineralization of older OC or the influence of an unaccounted‐for artefact of the methods used to measure burial rates. Alternatively, the trend may represent real acceleration in OC...

Breithaupt, Joshua L.; Smoak, Joseph M.; Bianchi, Thomas S.; Vaughn, Derrick; Sanders, Christian; Radabaugh, Kara; Osland, Michael J.; Feher, Laura C.; Lynch, James C.; Cahoon, Donald R.; Anderson, Gordon H.; Whelan, Kevin R. T.; Rosenheim, Brad E.; Moyer, Ryan P.; Chambers, Lisa

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Year Published: 2020

Carbon release through abrupt permafrost thaw

The permafrost zone is expected to be a substantial carbon source to the atmosphere, yet large-scale models currently only simulate gradual changes in seasonally thawed soil. Abrupt thaw will probably occur in <20% of the permafrost zone but could affect half of permafrost carbon through collapsing ground, rapid erosion and landslides. Here, we...

Turetsky, Merritt R.; Abbott, Benjamin W.; Jones, Miriam C.; Walter Anthony, Katey; Olefeldt, David; Schuur, Edward A.G.; Grosse, Guido; Kuhry, Peter; Hugelius, Gustaf; Koven, Charles; Lawrence, David M.; Gibson, Carolyn; Sannel, A. Britta K.; McGuire, A.D.

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Year Published: 2020

Persistence and plasticity in conifer water-use strategies

The selective use of seasonal precipitation by vegetation is critical to understanding the residence time and flow path of water in watersheds, yet there are limited datasets to test how climate alters these dynamics. Here, we use measurements of the seasonal cycle of tree ring 18O for two widespread conifer species in the Rocky Mountains of North...

Berkelhammer, Max ; Still, Chris ; Ritter, Francois ; Winnik, Matthew ; Anderson, Lesleigh; Carroll, Rosemary ; Carbone, Mariah ; Williams, Kenneth

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Year Published: 2020

Progress in natural capital accounting for ecosystems

Reversing the ongoing degradation of the planet's ecosystems requires timely and detailed monitoring of ecosystem change and uses. Yet, the System of National Accounts (SNA), first developed in response to the economic crisis of the 1930s and used by statistical offices worldwide to record economic activity (for example, production, consumption,...

Hein, Lars; Bagstad, Kenneth J.; Obst, Carl; Edens, Bram; Schenau, Sjoerd; Castillo, Gem; Soulard, Francois; Brown, Claire; Driver, Amanda; Bordt, Michael; Steurer, Anton; Harris, Rocky; Capparros, Alejandro

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Year Published: 2020

Rapid peat development beneath created, maturing mangrove forests: Ecosystem changes across a 25-year chronosequence

Mangrove forests are among the world’s most productive and carbon‐rich ecosystems. Despite growing understanding of factors controlling mangrove forest soil carbon stocks, there is a need to advance understanding of the speed of peat development beneath maturing mangrove forests— especially in created and restored mangrove forests that are...

Osland, Michael J.; Feher, Laura C.; Spivak, Amanda C.; Nestlerode, Janet A.; Almario, Alejandro E.; Cormier, Nicole; From, Andrew; Krauss, Ken W.; Russell, Marc J.; Alvarez, Federico; Dantin, Darrin D.; Harvey, James E.; Stagg, Camille L.

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Year Published: 2020

Tree mortality in blue oak woodland during extreme drought in Sequoia National Park, California

Blue oak woodlands in California have been a focus of conservation concern for many years. Numerous studies have found that existing seedling and sapling numbers are inadequate to sustain current populations, and recent work has suggested that blue oak woodlands might be particularly vulnerable to a warming climate. California has recently...

Das, Adrian J.; Ampersee, Nicholas J.; Pfaff, Anne Hopkins; Stephenson, Nathan L.; Swiecki, Tedmund J; Bernhardt, Elizabeth A; Haggerty, Patricia; Nydick, Koren R.

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Year Published: 2020

Patterns of denitrification potential in tidal freshwater forested wetlands

Limited evidence for spatial patterns of denitrification in tidal freshwater forested wetlands (TFFWs), seemingly due to high spatial variability in the process, is surprising considering the various spatial gradients of its biogeochemical and hydrogeomorphic controls in these ecosystems. Because certain physical environmental gradients may be...

Korol, Alicia R.; Noe, Gregory B.

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Year Published: 2020

Invertebrate communities of Prairie-Pothole wetlands in the age of the aquatic Homogenocene

Simplification of communities is a common consequence of anthropogenic modification. However, the prevalence and mechanisms of biotic homogenization among wetland systems require further examination. Biota of wetlands in the North American Prairie Pothole Region are adapted to high spatial and temporal variability in ponded-water duration and...

Mclean, Kyle I.; Mushet, David M.; Sweetman, Jon N.; Anteau, Michael J.; Wiltermuth, Mark

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Year Published: 2020

Alternative stable states in inherently unstable systems

Alternative stable states are nontransitory states within which communities can exist. However, even highly dynamic communities can be viewed within the framework of stable‐state theory if an appropriate “ecologically relevant” time scale is identified. The ecologically relevant time scale for dynamic systems needs to conform to the amount of time...

Mushet, David M.; McKenna, Owen P.; Mclean, Kyle I.

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Year Published: 2020

Impacts of Hurricane Irma on Florida Bay Islands, Everglades National Park, U.S.A.

Hurricane Irma made landfall in south Florida, USA, on September 10, 2017 as a category 4 storm. In January 2018, fieldwork was conducted on four previously (2014) sampled islands in Florida Bay, Everglades National Park to examine changes between 2014 and 2018. The objectives were to determine if the net impact of the storm was gain or loss of...

Wingard, G. Lynn; Bergstresser, Sarah E.; Stackhouse, Bethany; Jones, Miriam; Marot, Marci E.; Hoefke, Kristen; Daniels, Andre; Keller, Katherine