98 Works

Riparian buffers provide refugia during secondary forest succession

Michelle E. Thompson, Brian J. Halstead & Maureen A. Donnelly
Aim Secondary forests regenerating from human disturbance are increasingly becoming a predominant forest type in many regions, and they play a significant role in forest community dynamics. Understanding the factors that underlie the variation in species responses during secondary succession is important for understanding community assembly and biodiversity monitoring and management. Because species vary in ecology and behavior, responses to ecosystem change should vary among species. Here, we show that habitat type (riparian, upland), phylogeny,...

Sighting, group composition, and tactile exchange for a study on Atlantic spotted dolphins around Bimini, The Bahamas

Nicole Danaher-Garcia
Interactions between mammalian social groups are generally antagonistic as individuals in groups cooperate to defend resources from non-members. Members of the family Delphinidae inhabit a three-dimensional habitat where resource defense is usually impractical. Here, we describe a long-term partial fusion of two communities of Atlantic spotted dolphins (Stenella frontalis). The northern community, studied for 30 years, immigrated 160 km to the range of the southern community, observed for 20 years. Both communities featured fission-fusion grouping...

Data from: Mycorrhizal symbiosis pathway and edaphic fertility frame root economics space among tree species

Han Yan, Grégoire T. Freschet, Huimin Wang, J. Aaron Hogan, Shenggong Li, Oscar J. Valverde-Barrantes, Xiaoli Fu, Ruili Wang, Xiaoqin Dai, Lei Jiang, Shengwang Meng, Fengting Yang, Miaomiao Zhang & Liang Kou
The root economics space (RES) is multidimensional and largely shaped by belowground biotic and abiotic influences. However, how root-fungal symbioses and edaphic fertility drive this complexity remains unclear. Here, we measured absorptive root traits of 112 tree species in temperate and subtropical forests of China, including traits linked to functional differences between arbuscular mycorrhizal (AM) and ectomycorrhizal (ECM) hosts. Our data, from known mycorrhizal tree species, revealed a ‘fungal-symbiosis’ dimension distinguishing AM from ECM species....

Data from: Ecology and genomics of an important crop wild relative as a prelude to agricultural innovation

Eric J. B. Von Wettberg, Peter L Chang, Fatma Başdemir, Noelia Carrasquila-Garcia, Lijalem Korbu, Susan M. Moenga, Gashaw Bedada, Alex Greenlon, Ken S. Moriuchi, Vasantika Suryawanshi, Matilde A Cordeiro, Nina V. Noujdina, Kassaye Negash Dinegde, Syed Gul Abbas Shah Sani, Tsegaye Getahun, Lisa Vance, Emily Bergmann, Donna Lindsay, Bullo Erena Mamo, Emily J. Warschefsky, Emmanuel Dacosta-Calheiros, Edward Marques, Mustafa Abdullah Yilmaz, Ahmet Murat Cakmak, Janna Rose … & Douglas R. Cook
Domesticated species are impacted in unintended ways during domestication and breeding. Changes in the nature and intensity of selection impart genetic drift, reduce diversity, and increase the frequency of deleterious alleles. Such outcomes constrain our ability to expand the cultivation of crops into environments that differ from those under which domestication occurred. We address this need in chickpea, an important pulse legume, by harnessing the diversity of wild crop relatives. We document an extreme domestication-related...

Data from: Global population genetic dynamics of a highly migratory, apex predator shark

Andrea M. Bernard, Kevin A. Feldheim, Michael R. Heithaus, Sabine P. Wintner, Bradley M. Wetherbee & Mahmood S. Shivji
Knowledge of genetic connectivity dynamics in the world's large-bodied, highly migratory, apex predator sharks across their global ranges is limited. One such species, the tiger shark (Galeocerdo cuvier), occurs worldwide in warm temperate and tropical waters, uses remarkably diverse habitats (nearshore to pelagic) and possesses a generalist diet that can structure marine ecosystems through top-down processes. We investigated the phylogeography and the global population structure of this exploited, phylogenetically enigmatic shark by using 10 nuclear...

Data from: Understanding the recruitment response of juvenile Neotropical trees to logging intensity using functional traits

J. Aaron Hogan, Bruno Hérault, Bénédicte Bachelot, Anaїs Gorel, Marianne Jounieaux & Christopher Baraloto
Selective-logging remains a widespread practice in tropical forests, yet the long-term effects of timber-harvest on juvenile tree (i.e., sapling) recruitment across the hundreds of species occurring in most tropical forests, remain difficult to predict. This uncertainty could potentially exacerbate threats to some of the thousands of timber-valuable tree species in the Amazon. Our objective was to determine to what extent long-term responses of tree species regeneration in logged forests can be explained by their functional...

South Florida cavity nest webs: nest inspection data, photographs, and videos

Joshua Diamond & Michael Ross
Nest data, photographs, and videos from an investigation of cavity nest webs in Miami, Florida, and the surrounding region. One spreadsheet organizes each cavity-bearing tree with by number. The second spreadsheet records each individual cavity present, with records of inspection. Photographs and videos were taken with a pole-mounted camera built to inspect the inside of woodpecker cavities.

Multi year social stability and social information use in reef sharks with diel fission-fusion dynamics: Raw acoustic detection

Yannis Papastamatiou
Animals across vertebrate taxa form social communities and often exist as fission-fusion societies. Central place foragers (CPF) may form social groups, from which they will predictably disperse to forage, either individually or in smaller groups, before returning to fuse with the larger group. However, the function and stability of social associations in predatory fish acting as CPFs is unknown, as individuals do not need to return to a shelter, yet show fidelity to core areas....

Illuminating the impact of diel vertical migration on visual gene expression in deep-sea shrimp

Danielle DeLeo & Heather Bracken-Grissom
Diel vertical migration (DVM) of marine animals represents one of the largest migrations on our planet. Migrating fauna are subjected to a variety of light fields and environmental conditions that can have notable impacts on sensory mechanisms, including an organism’s visual capabilities. Among deep-sea migrators are oplophorid shrimp, that vertically migrate hundreds of meters to feed in shallow waters at night. These species also have bioluminescent light organs that emit light during migrations to aid...

Sharks surf the slope: current updrafts reduce energy expenditure for aggregating marine predators

Yannis Papastamatiou
An animal’s energy landscape considers the power requirements associated with residing or moving through habitats. Within marine environments, these landscapes can be dynamic, as water currents will influence animal power requirements and can change rapidly over diel and tidal cycles. In channels and along slopes with strong currents, updraft zones may reduce energy expenditure of negatively buoyant fishes that are also obligate swimmers. Despite marine predators often residing within high-current area, no study has investigated...

Sergestidae shrimp family single- and multi-gene alignments and tree files

Charles Golightly & Heather Bracken-Grissom
Deep-sea shrimp belonging to the family Sergestidae provide a unique system for studying the evolution of bioluminescence. Most species within the family possess autogenic bioluminescent photophores in one of three distinct forms: lensed photophores, non-lensed photophores, or internal organs of Pesta. This morphological diversity across Sergestidae has resulted in recent major taxonomic revisions, dividing the two major genera (Sergia and Sergestes) into 15. Here, we capitalize on molecular data to construct an updated genus-level phylogeny...

Data from: Early maternal loss affects diurnal cortisol slopes in immature but not mature wild chimpanzees

Cedric Girard-Buttoz, Patrick Tkaczynski, Liran Samuni, Pawel Fedurek, Cristina Gomes, Therese Löhrich, Virgile Manin, Anna Preis, Prince Valé, Tobias Deschner, Roman Wittig & Catherine Crockford
Biological embedding of stress experienced early in life is a mechanism proposed to explain the fitness costs of maternal loss in mammals. This embedding is expected to lead to long-term alterations of the hypothalamic pituitary adrenal (HPA) axis activity. This idea has, however, rarely been tested in wild long-lived animals. We assessed whether, as in humans, maternal loss had short and long-term impacts on orphan wild chimpanzee urinary cortisol levels and diurnal urinary cortisol slopes,...

Supporting Data To: Shark tooth collagen stable isotopes (δ15N and δ13C) as ecological proxies

Oliver Shipley, Gregory Henkes, James Gelsleichter, Clark Morgan, Eric Schneider, Brendan Talwar & Michael Frisk
The isotopic composition of tooth-bound collagen has long been used to reconstruct dietary patterns of animals in extant and paleoecological systems. For sharks that replace teeth rapidly in a conveyor-like system, stable isotopes of tooth collagen (δ13Ctooth & δ15Ntooth) are poorly understood and lacking in ecological context relative to other non-lethally sampled tissues. This tissue holds promise, because shark jaws may preserve isotopic chronologies from which to infer individual-level ecological patterns across a range of...

Root anatomy helps to reconcile observed root trait syndromes in tropical tree species

Oscar Valverde-Barrantes, Christopher Baraloto, Heidy Schimann & Louise Authier
Studying the organization of functional traits in plant leaves and stems has revealed notable patterns linking function and form; however, evidence of similarly robust organization in root tissues remains controversial. We posit that anatomical traits in roots can provide insight on the overall organization of the root system. We hypothesize that A) size variation in the tissue outside the stele relates in a non-linear fashion with functional traits associated with direct resource uptake, including a...

Detectability and impact of repetitive surveys on threatened West African crocodylians: Data M1

Michel N'Dede Ahizi, Christine Yaoua Kouman, Allassane Ouattara, N’Dri Pascal Kouame, Azani Dede, Emilie Fairet & Matthew H. Shirley
West African crocodylians are among the most threatened and least studied crocodylian species globally. Assessing population status and establishing a basis for population monitoring is the highest priority action for this region. Monitoring of crocodiles is influenced by many factors that affect detectability, including environmental variables and individual or population-level wariness. We investigated how these factors affect detectability and counts of the Critically Endangered Mecistops cataphractus and the newly recognized Crocodylus suchus. We implemented 195...

Salinity Legacy: Foliar microbiome’s history affects mutualist-conferred salinity tolerance

Suresh Subedi, Preston Allen, Rosario Vidales, Leonel Sternberg, Michael Ross & Michelle Afkhami
The rapid human-driven changes in the environment during the Anthropocene have placed extreme stress on many plants and animals. Beneficial interactions with microorganisms may be crucial for ameliorating these stressors and facilitating the ecosystem services host organisms provide. Foliar endophytes, microorganisms that reside within leaves, are found in essentially all plants and can provide important benefits (e.g., enhanced drought tolerance or resistance to herbivory). However, it remains unclear how important the legacy effects of the...

Evaluating the effects of large marine predators on mobile prey behavior across subtropical reef ecosystems

Lindsay Phenix, Dana Tricarico, Mark Bond, Simon Brandl & Austin Gallagher
The indirect effect of predators on prey behavior, recruitment, and spatial relationships continues to attract considerable attention. However, top predators like sharks or large, mobile teleosts, which can have substantial top-down effects in ecosystems, are often difficult to study due to their large size and mobility. This has created a knowledge gap in understanding how they affect their prey through non-consumptive effects. Here we investigated how different functional groups of predators affected potential prey fish...

Data from: Spatial separation without territoriality in shark communities

Yannis P. Papastamatiou, Thomas W. Bodey, Alan M. Friedlander, Christopher G. Lowe, Darcy Bradley, Kevin Weng, Victoria Priestley & Jennifer E. Caselle
Spatial separation within predator communities can arise via territoriality but also from competitive interactions between and within species. However, linking competitive interactions to predator distribution patterns is difficult and theoretical models predict different habitat selection patterns dependent on habitat quality and how competition manifests itself. While models generally consider competitors to be either equal in ability, or for one phenotype to have a fixed advantage over the other, few studies consider that an animal may...

Data from: Reefscapes of fear: predation risk and reef heterogeneity interact to shape herbivore foraging behavior

Laura B. Catano, Maria C. Rojas, Ryan J. Malossi, Joseph R. Peters, Michael R. Heithaus, James W. Fourqurean & Deron E. Burkepile
Predators can exert strong direct and indirect effects on ecological communities by intimidating their prey. The nature of predation risk effects is often context dependent, but in some ecosystems these contingencies are often overlooked. Risk effects are often not uniform across landscapes or among species. Indeed, they can vary widely across gradients of habitat complexity and with different prey escape tactics. These context-dependencies may be especially important for ecosystems such as coral reefs that vary...

Data from: Spatial patterns of the frog Oophaga pumilio in a plantation system are consistent with conspecific attraction

Brian Folt, Maureen A. Donnelly & Craig Guyer
The conspecific attraction hypothesis predicts that individuals are attracted to conspecifics because conspecifics may be cues to quality habitat and/or colonists may benefit from living in aggregations. Poison frogs (Dendrobatidae) are aposematic, territorial, and visually oriented – three characteristics which make dendrobatids an appropriate model to test for conspecific attraction. In this study, we tested this hypothesis using an extensive mark-recapture dataset of the strawberry poison frog (Oophaga pumilio) from La Selva Biological Station, Costa...

Data from: Changing light conditions in pine rockland habitats affect the intensity and outcome of ant–plant interactions

Ian M. Jones, Suzanne Koptur, Hilma R. Gallegos, Joseph P. Tardanico, Patricia A. Trainer & Jorge Peña
Extrafloral nectar (EFN) mediates food-for-protection mutualisms between plants and ants. Such mutualisms exist within a complex web of biotic interactions, and in a framework provided by the abiotic environment. Both biotic and abiotic factors, therefore, affect the outcome of ant–plant interactions. We conducted an experiment to determine the effects of ant activity, and light intensity, on herbivory rates, growth, and reproductive fitness in Senna mexicana var. chapmanii, a perennial legume native to pine rockland habitats...

Data from: Mechanistic insights into landscape genetic structure of two tropical amphibians using field-derived resistance surfaces

A. Justin Nowakowski, J. Andrew DeWoody, Matthew E. Fagan, Janna R. Willoughby & Maureen A. Donnelly
Conversion of forests to agriculture often fragments distributions of forest species and can disrupt gene flow. We examined effects of prevalent land uses on genetic connectivity of two amphibian species in northeastern Costa Rica. We incorporated data from field surveys and experiments to develop resistance surfaces that represent local mechanisms hypothesized to modify dispersal success of amphibians, such as habitat-specific predation and desiccation risk. Because time lags can exist between forest conversion and genetic responses,...

The global distribution of known and undiscovered ant biodiversity

Jamie Kass, Benoit Guénard, Kenneth Dudley, Clinton Jenkins, Fumika Azuma, Brian Fisher, Catherine Parr, Heloise Gibb, John Longino, Philip Ward, Anne Chao, David Lubertazzi, Michael Weiser, Walter Jetz, Robert Guralnick, Rumsaïs Blatrix, James Des Lauriers, David Donoso, Christos Georgiadis, Kiko Gomez, Peter Hawkes, Robert Johnson, John Lattke, Joe MacGown, William Mackay … & Evan Economo
Invertebrates constitute the majority of animal species and are critical for ecosystem functioning and services. Nonetheless, global invertebrate biodiversity patterns and their congruences with vertebrates remain largely unknown. We resolve the first high-resolution (~20-km) global diversity map for a major invertebrate clade, ants, using biodiversity informatics, range modeling, and machine learning to synthesize existing knowledge and predict the distribution of undiscovered diversity. We find that ants and different vertebrate groups have distinct features in their...

A general swimming response in exhausted obligate swimming fish

Gil Iosilevskii, Jacinta Kong, Carl Meyer, Yuuki Watanabe, Yannis Papastamatiou, Mark Royer, Itsumi Nakamura, Katsufumi Sato, Thomas Doyle, Luke Harman, Jonathan Houghton, Adam Barnett, Jayson Semmens, Niall Ó Maoléidigh, Alan Drumm, Ross O'Neill, Daniel Coffey & Nicholas Payne
Marine organisms normally swim at elevated speeds relative to cruising speeds only during strenuous activity, such as predation or escape. We measured swimming speeds of 29 ram ventilating sharks from 10 species and of three Atlantic bluefin tunas immediately after exhaustive exercise (fighting a capture by hook-and-line), and unexpectedly found all individuals exhibited a uniform mechanical response, with swimming speed initially 2 times higher than the cruising speeds reached approximately 6 hours later. We hypothesised...

Literature review dataset on predation-risk effects

Scott Peacor, David Kimbro, Nathan Dorn, Justine Smith, Michael Sheriff & Michael Cherry
A well-accepted narrative in ecology is that prey modify traits to reduce predation risk, and the trait modification has costs large enough to cause ensuing demographic, trophic and ecosystem consequences, with implications for conservation, management, and agriculture. But ecology has a long history of emphasizing that quantifying the importance of an ecological process ultimately requires evidence linking a process to unmanipulated field patterns. We suspected that such process-linked-to pattern (PLP) studies were poorly represented in...

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