38 Works

Data from: Long-term dynamics of liana seedlings suggest decelerating increases in liana relative abundance over time

Maria Natalia Umaña, Eric Manzané-Pinzón & Liza Comita
Over the past decades, tropical forests have experienced both compositional and structural changes. In the Neotropics, researchers at multiple sites have observed significant increases in the abundance and biomass of lianas (i.e. woody vines) relative to trees. However, the role of dynamics at early life stages in contributing to increasing liana abundance remains unclear. We took advantage of a unique dataset on seedling dynamics over 16 years in ~20,000 1-m2plots in a tropical forest in...

Data from: Determinants of tree cover in tropical floodplains

Joshua H. Daskin, Filipe Aires & A. Carla Staver
In uplands, water availability and fire limit tree cover, differentiating between tropical forest, savanna, and grassland biomes. In contrast, we know less about tropical floodplain tree cover determinants, although these habitats similarly include near-treeless grasslands, moderately treed savannas, and forests. Using GIS and remotely sensed data from 13 large tropical and sub-tropical floodplain ecosystems on five continents, we show that floodplain tree cover increases with climatic water balance (= rainfall - potential evapotranspiration) and decreases...

Inferring the mammal tree: Species-level sets of phylogenies for questions in ecology, evolution, and conservation

Nathan S. Upham, Jacob A. Esselstyn & Walter Jetz
Big, time-scaled phylogenies are fundamental to connecting evolutionary processes to modern biodiversity patterns. Yet inferring reliable phylogenetic trees for thousands of species involves numerous trade-offs that have limited their utility to comparative biologists. To establish a robust evolutionary timescale for all ~6000 living species of mammals, we developed credible sets of trees that capture root-to-tip uncertainty in topology and divergence times. Our ‘backbone-and-patch’ approach to tree-building applies a newly assembled 31-gene supermatrix to two levels...

Data from: Optogenetically induced low-frequency correlations impair perception

Anirvan S. Nandy, Jonathan J. Nassi, Monika P. Jadi & John H. Reynolds
Deployment of covert attention to a spatial location can cause large decreases in low-frequency correlated variability among neurons in macaque area V4 whose receptive-fields lie at the attended location. It has been estimated that this reduction accounts for a substantial fraction of the attention-mediated improvement in sensory processing. These estimates depend on assumptions about how population signals are decoded and the conclusion that correlated variability impairs perception, is purely hypothetical. Here we test this proposal...

Risk perceptions of extreme heat events at the state, county, and census tract level in the U.S.

Peter Howe, Jennifer R. Marlon, Xinran Wang & Anthony Leiserowitz
Project summary, description or abstract: This dataset contains model estimates of how Americans perceive the health risks of extreme heat events at the state, county, and census tract level in the U.S. Estimates are produced using a statistical model based on national survey data. These data are associated with the following publication: Howe, Peter D., Jennifer R. Marlon, Xinran Wang, and Anthony Leiserowitz. “Public perceptions of the health risks of extreme heat across U.S. states,...

Trophic rewilding revives biotic resistance to shrub invasion

Jennifer Guyton, Johan Pansu, Tyler Kartzinel, Tyler Coverdale, Arjun Potter, Joshua Daskin, Matthew Hutchinson, Ana Gledis Da Conceição, Mike Peel, Marc Stalmans & Robert Pringle
Trophic rewilding seeks to rehabilitate degraded ecosystems by repopulating them with large animals, thereby reestablishing strong top-down interactions. Yet there are vanishingly few tests of whether such initiatives can restore ecosystem structure and functions, and on what timescales. Here we show that war-induced collapse of large-mammal populations in Mozambique’s Gorongosa National Park exacerbated woody encroachment by the invasive shrub Mimosa pigra—one of the world’s ‘100 worst’ invasive species—and that one decade of concerted trophic rewilding...

Additional file 8 of Comparative study of excretory–secretory proteins released by Schistosoma mansoni-resistant, susceptible and naïve Biomphalaria glabrata

Conor E. Fogarty, Min Zhao, Donald P. McManus, Mary G. Duke, Scott F. Cummins & Tianfang Wang
Additional file 8: Table S5. A list of the total proteins, unique proteins and corresponding peptides identified in susceptible B. glabrata SCW with reference to the S. mansoni proteome, and enriched GO terms related to the proteins.

MOESM1 of Comparative study of excretoryâ secretory proteins released by Schistosoma mansoni-resistant, susceptible and naĂŻve Biomphalaria glabrata

Conor Fogarty, Min Zhao, Donald McManus, Mary Duke, Scott Cummins & Tianfang Wang
Additional file 1: Database S1. The B. glabrata protein database used in the proteomic data analysis.

Data from: Resource acquisition strategies facilitate Gilbertiodendron dewevrei monodominance in African lowland forests

Jefferson Hall, David Harris, Kristin Saltonsall, Vincent Medjibe, Mark Ashton & Benjamin Turner
1. Tropical forests are hyperdiverse, yet extensive areas of monodominant forest occur in the tropics worldwide. Most long-lived and persistent monodominant tree species form ectomycorrhizal fungi symbioses, allowing them to obtain nutrients directly from soil organic matter. This might promote monodominance by reducing nutrient availability to co-occurring species, the majority of which form associations with arbuscular mycorrhizal fungi. 2. Gilbertiodendron dewevrei forest is the most widespread monodominant forest in tropical Africa. Its distribution appears determined...

Data from: Empirical and Bayesian approaches to fossil-only divergence times: a study across three reptile clades

Alan H. Turner, Adam C. Pritchard & Nicholas J. Matzke
Estimating divergence times on phylogenies is critical in paleontological and neontological studies. Chronostratigraphically-constrained fossils are the only direct evidence of absolute timing of species divergence. Strict temporal calibration of fossil-only phylogenies provides minimum divergence estimates, and various methods have been proposed to estimate divergences beyond these minimum values. We explore the utility of simultaneous estimation of tree topology and divergence times using BEAST tip-dating on datasets consisting only of fossils by using relaxed morphological clocks...

Data from: Fine-scale genetic structure and flowering output of the seagrass Enhalus acoroides undergoing disturbance

Shuo Yu, Yunchao Wu, Ester A. Serrao, Jingping Zhang, Zhijian Jiang, Chi Huang, Lijun Cui, Anitra Thorhaug & Xiaoping Huang
Seagrass are under great stress in the tropical coast of Asia, where Enhalus acoroides is frequently the dominant species with a large food web. Here, we investigate the question of the fine‐scale genetic structure of this ecologically important foundation species, subject to severe anthropogenic disturbance in China. The genetic structure will illuminate potential mechanisms for population dynamics and sustainability, which are critical for preservation of biodiversity and for decision‐making in management and restoration. We evaluated...

MOESM9 of Comparative study of excretory–secretory proteins released by Schistosoma mansoni-resistant, susceptible and naïve Biomphalaria glabrata

Conor Fogarty, Min Zhao, Donald McManus, Mary Duke, Scott Cummins & Tianfang Wang
Additional file 9: Table S6. The results of PPIs shown in Fig. 5 and the co-expression data export from STRING to support the PPI of S. mansoni proteins.

MOESM5 of Comparative study of excretoryâ secretory proteins released by Schistosoma mansoni-resistant, susceptible and naĂŻve Biomphalaria glabrata

Conor Fogarty, Min Zhao, Donald McManus, Mary Duke, Scott Cummins & Tianfang Wang
Additional file 5: Table S4. A list of the total proteins, unique proteins and corresponding peptides identified in susceptible B. glabrata with reference to the B. glabrata proteome.

Data from: A new ophiocistioid with soft-tissue preservation from the Silurian Herefordshire Lagerstätte, and the evolution of the holothurian body plan

Imran Rahman, Jeffrey Thompson, Derek Briggs, David Siveter, Derek Siveter & Mark Sutton
Reconstructing the evolutionary assembly of animal body plans is challenging when there are large morphological gaps between extant sister taxa, as in the case of echinozoans (echinoids and holothurians). However, the inclusion of extinct taxa can help bridge these gaps. Here we describe a new species of echinozoan, Sollasina cthulhu, from the Silurian Herefordshire Lagerstätte, UK. S. cthulhu belongs to the ophiocistioids, an extinct group that shares characters with both echinoids and holothurians. Using physical-optical...

Data from: Asymmetric ON-OFF processing of visual motion cancels variability induced by the structure of natural scenes

Juyue Chen, Holly B. Mandel, James E. Fitzgerald & Damon A. Clark
Animals detect motion using a variety of visual cues that reflect regularities in the natural world. Experiments in animals across phyla have shown that motion percepts incorporate both pairwise and triplet spatiotemporal correlations that could theoretically benefit motion computation. However, it remains unclear how visual systems assemble these cues to build accurate motion estimates. Here we use comprehensive measurements of fruit fly motion perception to show how flies combine local pairwise and triplet correlations to...

Data from: Endocranial anatomy and life habits of the Early Triassic archosauriform Proterosuchus fergusi

Emily Brown, Richard Butler, Martin Ezcurra, Bhart-Anjan Bhullar & Stephan Lautenschlager
Proterosuchids are an important group of carnivorous basal archosauriforms characterised by a bizarre and enigmatic downturned premaxilla that overhangs the lower jaw. They are particularly significant because they radiated in the immediate aftermath of the Permian–Triassic mass extinction, and represent one of the best known ‘disaster taxa’ following that event. While traditionally considered semi-aquatic, recent histological studies and geological data have suggested that they more likely inhabited terrestrial environments. By utilising computed tomographic (CT) data,...

Fruit syndromes in Viburnum: correlated evolution of color, nutritional content, and morphology in bird-dispersed fleshy fruits

Miranda Sinnott-Armstrong, Chong Lee, Wendy Clement & Michael Donoghue
Premise A key question in plant dispersal via animal vectors is where and why fruit colors vary between species and how color relates to other fruit traits. To better understand the factors shaping the evolution of fruit color diversity, we tested for the existence of syndromes of traits (color, morphology, and nutrition) in the fruits of Viburnum. We placed these results in a larger phylogenetic context and reconstructed ancestral states to assess how Viburnum fruit...

Exceptional preservation of comma shrimp from a mid-Cretaceous Lagerstätte of Colombia, and the origins of crown Cumacea

Javier Luque & Sarah Gerken
Mesozoic rocks with exceptional preservation of marine arthropods are known worldwide but largely restricted to high latitudes. The scarcity of assemblages with exceptional preservation in low latitudes greatly limits our understanding of the origins of several modern groups and the evolution of tropical biotas through time. Here we report the oldest Cumacea, or “comma” shrimp (Arthropoda: Eumalacostraca: Peracarida) with modern affinities, from a new mid-Cretaceous (95–90 Mya) Lagerstätte in tropical South America. Cumaceans have one...

MOESM2 of Comparative study of excretoryâ secretory proteins released by Schistosoma mansoni-resistant, susceptible and naĂŻve Biomphalaria glabrata

Conor Fogarty, Min Zhao, Donald McManus, Mary Duke, Scott Cummins & Tianfang Wang
Additional file 2: Table S1. Statistical analysis of behavioural bioassays. Two-way ANONA method was used to evaluate the significance of the behavioural modifications.

MOESM4 of Comparative study of excretoryâ secretory proteins released by Schistosoma mansoni-resistant, susceptible and naĂŻve Biomphalaria glabrata

Conor Fogarty, Min Zhao, Donald McManus, Mary Duke, Scott Cummins & Tianfang Wang
Additional file 4: Table S3. A list of the total proteins, unique proteins and corresponding peptides identified resistant B. glabrata with reference to the B. glabrata proteome.

MOESM8 of Comparative study of excretoryâ secretory proteins released by Schistosoma mansoni-resistant, susceptible and naĂŻve Biomphalaria glabrata

Conor Fogarty, Min Zhao, Donald McManus, Mary Duke, Scott Cummins & Tianfang Wang
Additional file 8: Table S5. A list of the total proteins, unique proteins and corresponding peptides identified in susceptible B. glabrata SCW with reference to the S. mansoni proteome, and enriched GO terms related to the proteins.

Additional file 2 of Comparative study of excretory–secretory proteins released by Schistosoma mansoni-resistant, susceptible and naïve Biomphalaria glabrata

Conor E. Fogarty, Min Zhao, Donald P. McManus, Mary G. Duke, Scott F. Cummins & Tianfang Wang
Additional file 2: Table S1. Statistical analysis of behavioural bioassays. Two-way ANONA method was used to evaluate the significance of the behavioural modifications.

Concerns of surrogate decision makers for acute brain injury patients: a US population survey

David Hwang
Objective: To determine whether groups of surrogates for severe acute brain injury (SABI) patients with poor prognosis can be identified based on their prioritization of goals-of-care (GOC) decisional concerns, an online survey of 1588 adults recruited via a probability-based panel representative of the US population was conducted. Methods: Participants acted as a surrogate for a GOC decision for a hypothetical SABI patient and were randomized to one of two prognostic scenarios: the patient likely being...

Phylogeography and population structure of the tsetse fly Glossina pallidipes in Kenya and the Serengeti ecosystem

Norah Saarman, Rosemary Bateta, Winnie Okeyo, Kirstin Dion, Paul Mireji, Sylvance Okoth, Imna Malele, Grace Murilla, Serap Aksoy & Adalgisa Caccone
Glossina pallidipes is the main vector of animal African trypanosomiasis and a potential vector of human African trypanosomiasis in eastern Africa where it poses a large economic burden and public health threat. Vector control efforts have succeeded in reducing infection rates, but recent resurgence in tsetse fly population density raises concerns that vector control programs require improved strategic planning over larger geographic and temporal scales. Detailed knowledge of population structure and dispersal patterns can provide...

Data from: Dispersal increases the resilience of tropical savanna and forest distributions

Nikunj Goel, Vishwesha Guttal, Simon Levin & Carla Staver
Global change may induce changes in savanna and forest distributions, but the dynamics of these changes remain unclear. Classical biome theory suggests that climate is predictive of biome distributions, such that shifts will be continuous and reversible. This view, however, cannot explain the overlap in the climatic ranges of tropical biomes, which some argue may result from fire-vegetation feedbacks, maintaining savanna and forest as bistable states. Under this view, biome shifts are argued to be...

Registration Year

  • 2019
    38

Resource Types

  • Dataset
    38

Affiliations

  • Yale University
    38
  • Chinese Academy of Sciences
    12
  • University of the Sunshine Coast
    11
  • Southern Medical University
    11
  • Hohai University
    11
  • Shandong University
    11
  • Shanghai Jiao Tong University
    11
  • Virginia Commonwealth University
    11
  • Northeast Forestry University
    11
  • Jiangsu University
    11