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Articles by Mark Vellend
Contrasting thermophilization among forests, grasslands and alpine summits
Abstract Climate warming is shifting biological communities, with warmth-demanding species being favoured at the expense of cold-adapted species in a process referred to as thermophilization1,2,3,4. Because biodiversity responses often lag behind climate warming, climatic debts are accumulating in many ecosystems across the world5,6,7. Although we might expect that thermophilization and climatic debts will vary among habitats, standardized quantification across ecosystems is lacking.
EVERYTHING EVOLVES
Yes: it's high time for a de-romanticized, de-mythified, close-up retelling of the U.S. Space Program's launching—the inside story of those first seven astronauts. But no: jazzy, jivey, exclamation-pointed, italicized Tom Wolfe "Mr. Overkill" hasn't really got the fight stuff for the job. Admittedly, he covers all the ground.
Snowmelt timing alters the phenology but not the performance of an understory spring ephemeral plant
1 INTRODUCTION Spatial and temporal heterogeneity in environmental conditions (e.g. topography, climate) and resources (e.g. water, light) influence species distributions and community structure (Cottenie, 2005; Stein et al., 2014).
Hyperspectral imaging has a limited ability to remotely sense the onset of beech bark disease
Introduction Northern forests are becoming increasingly susceptible to insect outbreaks, largely due to a higher frequency of extreme weather events and rising temperatures (Harvey et al., 2020; Jactel et al., 2019; Pureswaran et al., 2018). These rapid changes can cause a decrease in net ecosystem productivity, prompting carbon sinks to become sources (Kurz et al., 2008).
Hyperspectral imaging has a limited ability to remotely sense the onset of beech bark disease
Abstract Insect and pathogen outbreaks have a major impact on northern forest ecosystems. Even for pathogens that have been present in a region for decades, such as beech bark disease (BBD), new waves of mortality are expected in host populations. Hence, there is a need for innovative approaches to monitor their advancement extensively in real-time.
Soil properties constrain predicted poleward migration of plants under climate change
Data availability The species occurrence data are available at https://bien.nceas.ucsb.edu/bien/biendata/bien-4/. The projected species maps are available on request from the corresponding author (c. 5 TB in total, too large for public repositories). The predictor importance and the projected range shifts of species' suitable habitats are provided in the supporting information (Notes S6).
Patterns and determinants of plant biodiversity in non-commercial forests of eastern China
To improve biodiversity conservation in China’s forests, non-commercial forests have been protected from anthropogenic disturbances and currently occupy 41.6% of China’s forested land [ 6 ]. Our study, to our knowledge, is the first to investigate biodiversity patterns in non-commercial forests at the regional level with a large dataset. In total, we found 143 species across 600 plots.
The Biodiversity Conservation Paradox
Since the arrival of Homo sapiens in New Zealand sometime during the 13th century, the number of plant species in the country has doubled, from roughly 2,000 to more than 4,000. This island nation with no native land mammals apart from a few species of bats is now home to more than two dozen types of mammals, including possums, rabbits, deer, and wallabies. Biodiversity has increased.
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