Michael R. Willig
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View article: Variation in the Composition and Biodiversity of Native Trees in Tropical Forests: Effects of Invasive Species, Topography, and Habitat
Variation in the Composition and Biodiversity of Native Trees in Tropical Forests: Effects of Invasive Species, Topography, and Habitat Open
Aims Understanding the role of invasive species in ecological communities, and how native and invaders interact to shape the composition, biodiversity, and structure of contemporary forests, is crucial for effective management and conserva…
View article: The units of biodiversity
The units of biodiversity Open
Biodiversity is a central concept in ecology and biology. Its underpinnings are multifaceted and complex and involve multiple spatiotemporal scales, and many ways of measuring relevant characteristics. Its comprehensive understanding requi…
View article: Variations in Hawaiian Plume Flux Controlled by Ancient Mantle Depletion
Variations in Hawaiian Plume Flux Controlled by Ancient Mantle Depletion Open
Mantle plumes—upwellings of buoyant rock in Earth's mantle—feed hotspot volcanoes such as Hawai‘i. The size of volcanoes along the Hawai‘i–Emperor chain, and thus the magma flux of the Hawaiian plume, has varied over the past 85 million ye…
View article: Long‐term stability of tropical forest metacommunities in Puerto Rico: Native and non‐native species
Long‐term stability of tropical forest metacommunities in Puerto Rico: Native and non‐native species Open
Anthropogenic disturbances alter trajectories of ecological succession, introduce spatiotemporal variability in the composition of communities, and potentially create communities that differ substantially from those prior to disturbance. I…
View article: Variation in biodiversity and abundance of functional groups of arthropods along a tropical elevational gradient in Puerto Rico
Variation in biodiversity and abundance of functional groups of arthropods along a tropical elevational gradient in Puerto Rico Open
Elevational gradients represent platforms for exploring the effects of environmental variation on biodiversity. The environmental correlates of these spatial gradients are likely to be modified during the Anthropocene, as species respond t…
View article: Rapid taxonomic categorization of short, abundant virus sequences for ecological analyses
Rapid taxonomic categorization of short, abundant virus sequences for ecological analyses Open
Public health concerns about recent viral epidemics have motivated researchers to seek novel ways to understand pathogen infection in native, wildlife hosts. With its deep history of tools and perspectives for understanding the abundance a…
View article: Phenological patterns in ecology: Problems using circular statistics and solutions based on simulations
Phenological patterns in ecology: Problems using circular statistics and solutions based on simulations Open
Quantification of phenological patterns (e.g. migration, hibernation or reproduction) should involve statistical assessments of non‐uniform temporal patterns. Circular statistics (e.g. Rayleigh test or Hermans‐Rasson test) provide useful a…
View article: Rapid taxonomic categorization of short, abundant virus sequences for ecological analyses
Rapid taxonomic categorization of short, abundant virus sequences for ecological analyses Open
Public health concerns about recent viral epidemics have motivated researchers to seek novel ways to understand pathogen infection in native, wildlife hosts. With its deep history of tools and perspectives for understanding the abundance a…
View article: Reproductive phenologies of phyllostomid bat populations and ensembles from lowland Amazonia
Reproductive phenologies of phyllostomid bat populations and ensembles from lowland Amazonia Open
Natural selection should favor individuals that synchronize energy-demanding aspects of reproductive activity with periods of high resource abundance and predictability, leading to seasonal patterns of reproduction at the population level.…
View article: Alien species affect the abundance and richness of native species in tropical forests: The role of adaptive strategies
Alien species affect the abundance and richness of native species in tropical forests: The role of adaptive strategies Open
Understanding the role of alien species in forest communities, and how native and alien species interact to shape the composition and structure of contemporary forests, is of critical importance to invasion ecology and natural resource man…
View article: Chemical Geodynamics Insights From a Machine Learning Approach
Chemical Geodynamics Insights From a Machine Learning Approach Open
The radiogenic isotope heterogeneity of oceanic basalts is often assessed using 2D isotope ratio diagrams. But because the underlying data are at least six dimensional ( 87 Sr/ 86 Sr, 143 Nd/ 144 Nd, 176 Hf/ 177 Hf, and 208,207,206 Pb/ 204…
View article: Integrating multiple dimensions of biodiversity to inform global parrot conservation
Integrating multiple dimensions of biodiversity to inform global parrot conservation Open
In addition to changes associated with climate and land use, parrots are threatened by hunting and capture for the pet trade, making them one of the most at risk orders of birds for which conservation action is especially important. Specie…
View article: Variably depleted mantle in the source of Azores lavas
Variably depleted mantle in the source of Azores lavas Open
<p>The Azores Plateau in the North Atlantic is a classic example of near-ridge oceanic plateau (600 km) associated with the upwelling of the Azores mantle plume. The radiogenic isotope signatures of Azores lavas show systematic inter…
View article: Long‐term responses of gastropods to simulated hurricanes in a tropical montane rainforest
Long‐term responses of gastropods to simulated hurricanes in a tropical montane rainforest Open
Climate‐induced disturbances such as hurricanes affect the structure and functioning of ecosystems, especially those in the Caribbean Basin, where high‐energy storms have long affected ecosystem dynamics. Because climate change will likely…
View article: The underpinnings of the relationship of species richness with space and time
The underpinnings of the relationship of species richness with space and time Open
Various ecological mechanisms influence the forms of species richness relationships (SRRs). These mechanisms can be gathered under five general categories: more individuals, environmental heterogeneity, dispersal limitations, biotic intera…
View article: Arthropods are not declining but are responsive to disturbance in the Luquillo Experimental Forest, Puerto Rico
Arthropods are not declining but are responsive to disturbance in the Luquillo Experimental Forest, Puerto Rico Open
Significance Despite claims to the contrary, arthropod abundances are not generally declining in the Luquillo Experimental Forest in response to warming. Interannual variation in abundance reflects patterns of species turnover as well as c…
View article: Resistance, resilience, and vulnerability of social‐ecological systems to hurricanes in Puerto Rico
Resistance, resilience, and vulnerability of social‐ecological systems to hurricanes in Puerto Rico Open
Subject to hurricane disturbance for millennia, natural ecosystems of Puerto Rico exhibit clear patterns of resistance (e.g., many tree species have little immediate storm‐related mortality) and resilience (e.g., leaf litterfall and stream…
View article: Accounting for imperfect detection reveals role of host traits in structuring viral diversity of a wild bat community
Accounting for imperfect detection reveals role of host traits in structuring viral diversity of a wild bat community Open
Understanding how multi-scale host heterogeneity affects viral community assembly can illuminate ecological drivers of infection and host-switching. Yet, such studies are hindered by imperfect viral detection. To address this issue, we use…
View article: Non-Separable Spatio-temporal Models via Transformed Gaussian Markov Random Fields
Non-Separable Spatio-temporal Models via Transformed Gaussian Markov Random Fields Open
Models that capture the spatial and temporal dynamics are applicable in many science fields. Non-separable spatio-temporal models were introduced in the literature to capture these features. However, these models are generally complicated …
View article: Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin
Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin Open
Understanding the determinants of species coexistence in complex and species-rich communities is a fundamental goal of ecology. Patterns of species coexistence depend on how biotic interactions and environmental filtering act over ecologic…
View article: Effects of host species identity and diet on biodiversity of oral and rectal microbiomes of Puerto Rican bats
Effects of host species identity and diet on biodiversity of oral and rectal microbiomes of Puerto Rican bats Open
Microbiomes perform vital functions for their mammalian hosts, making them potential drivers of host evolution. Understanding effects of environmental factors and host characteristics on the composition and biodiversity of microbiomes may …
View article: straits.txt from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin
straits.txt from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin Open
Code for "Functional volumes, niche packing, and species richness: biogeographic legacies in the Congo Basin"
View article: Rscript.R from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin.
Rscript.R from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin. Open
R script for "Functional volumes, niche packing, and species richness: biogeographic legacies in the Congo Basin"
View article: straits.txt from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin
straits.txt from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin Open
Code for "Functional volumes, niche packing, and species richness: biogeographic legacies in the Congo Basin"
View article: Shrew_DRC_final.txt from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin
Shrew_DRC_final.txt from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin Open
Code for "Functional volumes, niche packing, and species richness: biogeographic legacies in the Congo Basin"
View article: Ecomorphological position of shrew species in functional trait space defined by NMDS from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin
Ecomorphological position of shrew species in functional trait space defined by NMDS from Functional volumes, niche packing and species richness: biogeographic legacies in the Congo Basin Open
(a) Point colours indicate whether species occur only in the CLF (blue), only in the NLF (orange), or in both ecoregions (grey). Polygons represent two-dimensional Hull curves for the species of each ecoregion (orange for CLF, blue for NLF…