Remembering a scientist, mentor, and friend
Henry L. Gholz, of Fort Collins, CO, died rock climbing in Colorado on September 30, 2017. His passing is a tragic loss for ecology.
Test of Ecological Theory Informs Stream Restoration Choices
In the United States, society spends billions of dollars each year on stream restoration. Knowing where restoration efforts are likely to be most effective could help get more restoration-bang for those bucks. A recent study of 13 river restoration projects by investigators from the Baltimore Ecosystem Study LTER found that restoration appeared to be more effective at… Read more »
A Changing Tide: Biodiversity on Sandy Beaches
Credit: Ingrid Taylar. CC BY 2.0To maintain the image of a pristine beach—wide stretches of sand absent of fly-ridden piles of seaweed—managers often add sand to beaches and remove seaweed. This removal may lead to a more enjoyable experience for humans, but it constitutes a major loss of habitat for sandy beach critters, which use… Read more »
Striking a Balance in Private Land Conservation
Credit: Rutebega. CC BY-SA 3.0.In the digital age, while public access to information about parks and public land conservation is readily available, records on private-land conservation remain incomplete and inconsistent. To reveal the reasons behind the gaps in data on private-land conservation, LTER-funded researchers analyzed maps and documents, and conducted interviews focused on four major… Read more »
Wildfire Ponzi Scheme? The Continental Carbon Exchange
If carbon is currency, wildfires are the brokers; that is, they distribute carbon between land and air. In the short-run, fire emits carbon dioxide into the atmosphere. Over time, it also strengthens subsequent carbon uptake through plant regrowth. This exchange is like a natural Ponzi scheme – the carbon offsets from yesterday’s fires take up today’s emissions…. Read more »
Effects of Plant Colonization on Moss-Dominated Alpine Soils
Credit: Marilylle Soveran CC BY-NC 2.0Moss and lichen make up a large portion of biomass in alpine and arctic ecosystems. With rising global temperatures, vascular plants have begun to colonize these moss-dominated ecosystems, potentially altering the soil composition and ecosystem function of these unique environments. Researchers with the Niwot Ridge LTER investigated how bacterial composition,… Read more »
Foraging Flexibility of Two Shark Species
Sharks are top predators in marine ecosystems, so small changes in shark populations can ripple down and affect entire marine communities. Understanding how sharks adapt to ecosystem changes may help scientists predict how other marine life could react to a changing ocean. Researchers from the Florida Coastal Everglades (FCE) LTER investigated how juveniles of two similar… Read more »
A “Landscape of Fear” May Offer Alternative Pest Control
Credit: Jim, the photographer. CC Y 2.0To reduce the risk of being eaten, prey animals may change their behavior (by staying hidden during certain hours, for example) and adapt physiologically. Although these responses help prey survive in the short-term, they also suppress their ability to move and reproduce. By studying insect responses to the risk… Read more »
Fire-driven Changes to Gap Regeneration
Interior Alaska: black spruce and mosses as far as the eye can see. New research suggests that image may change dramatically over the next century. As the intensity of fires in interior Alaska increases, forest regrowth is shifting from spruce to deciduous species such as trembling aspen and Alaska paper birch. But intense fires also… Read more »
The landscaping culture behind ecological change
Credit: Henk Sijgers. CC BY-NC 2.0The American residential landscape is a product of culture, reflecting social practices through its managed plant composition. As a result of urbanization and globalization, residential ecosystems are increasingly homogeneous, with the potential to impact ecological dynamics at ever-expanding scales over the next 50 to 100 years. Despite this trend, researchers… Read more »
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