58 Works

Data from: A trait-based approach to assessing resistance and resilience to wildfire in two iconic North American conifers

Kyle Rodman, Thomas Veblen, Robert Andrus, Neil Enright, Joseph Fontaine, Angela Gonzalez, Miranda Redmond & Andreas Wion
Ongoing changes in fire activity have the potential to drive widespread shifts in Earth’s vegetation. Plant traits and vital rates can be indicators of the ability of individuals to survive fire (resistance) and populations to persist (resilience) following fire and provide a method to assess vulnerability to fire-driven vegetation shifts. In 15 study sites spanning climatic gradients in the southern Rocky Mountains, U.S.A., we quantified variation in key traits and vital rates of two co-occurring,...

Primary detection records for aquatic nonindigenous species in global estuarine and marine ecosystems and the Great Lakes

Sarah Bailey, Lyndsay Brown, Marnie Campbell, João Canning-Clode, James Carlton, Nuno Castro, Paula Chainho, Farrah Chan, Joel Creed, Amelia Curd, John Darling, Paul Fofonoff, Bella Galil, Chad Hewitt, Graeme Inglis, Inti Keith, Nicholas Mandrak, Agnese Marchini, Cynthia McKenzie, Anna Occhipinti-Ambrogi, Henn Ojaveer, Larissa Pires-Teixeira, Tamara Robinson, Gregory Ruiz, Kimberley Seaward … & Aibin Zhan
Aim The introduction of aquatic non-indigenous species (ANS) has become a major driver for global changes in species biogeography. We examined spatial patterns and temporal trends of ANS detections since 1965 to inform conservation policy and management. Location Global Methods We assembled an extensive dataset of first records of detection of ANS (1965-2015) across 49 aquatic ecosystems, including the i) year of first collection, ii) population status and iii) potential pathway(s) of introduction. Data were...

Experimental seed sowing reveals seedling recruitment vulnerability to unseasonal fire

Russell Miller, Joseph Fontaine, David Merritt, Ben Miller & Neal Enright
Unseasonal fire occurrence is increasing globally, driven by climate change and other human activity. Changed timing of fire can inhibit post-fire seedling recruitment through interactions with plant phenology (the timing of key processes, e.g., flower initiation, seed production, dispersal, germination), and therefore threaten the persistence of many plant species. While empirical evidence from winter-rainfall ecosystems shows that optimal seedling recruitment is expected following summer and autumn (dry season) fires, we sought experimental evidence isolating the...

Mycorrhizal symbiosis and phosphorus supply determine interactions among plants with contrasting nutrient-acquisition strategies

Rachel Standish, Felipe Albornoz, Tim Morald, Richard Hobbs & Mark Tibbett
Highly diverse plant communities growing on nutrient-impoverished soils are test beds for theories on species coexistence. Here, neighbouring mycorrhizal and non-mycorrhizal plants compete for limited phosphorus. The impact of belowground interactions on community dynamics is underexplored. We used an experimental approach to investigate effects of inoculation with arbuscular mycorrhizal (AM) fungi and a phosphorus supply gradient on competitive and facilitative interactions among mixed assemblages of woody plants in microcosms. The plant species, one cluster-root forming...

Opposing community assembly patterns for dominant and non-dominant plant species in herbaceous ecosystems globally

Carlos Alberto Arnillas, Elizabeth Borer, Eric Seabloom, Juan Alberti, Selene Baez, Jonathon Bakker, Elizabeth Boughton, Yvonne Buckley, Miguel Bugalho, Ian Donohue, John Dwyer, Jennifer Firn, Riley Gridzak, Nicole Hagenah, Yann Hautier, Aveliina Helm, Anke Jentsch, , Kimberly Komatsu, Lauri Laanisto, Ramesh Laungani, Rebecca McCulley, Joslin Moore, John Morgan, Pablo Peri … & Marc Cadotte
Biotic and abiotic factors interact with dominant plants —the locally most frequent or with the largest coverage— and non-dominant plants differently, partially because dominant plants modify the environment where non-dominant plants grow. For instance, if dominant plants compete strongly, they will deplete most resources, forcing non-dominant plants into a narrower niche space. Conversely, if dominant plants are constrained by the environment, they might not exhaust available resources but instead may ameliorate environmental stressors that usually...

Data from: Estimating body mass of free-living whales using aerial photogrammetry and 3D volumetrics

Fredrik Christiansen, Mariano Sironi, Michael J. Moore, Matías Di Martino, Marcos Ricciardi, Hunter A. Warick, Duncan J. Irschick, Robert Gutierrez & Marcela M. Uhart
1. Body mass is a key life history trait in animals. Despite being the largest animals on the planet, no method currently exists to estimate body mass of free-living whales. 2. We combined aerial photographs and historical catch records to estimate the body mass of free-living right whales (Eubalaena sp.). First, aerial photogrammetry from unmanned aerial vehicles was used to measure the body length, width (lateral distance) and height (dorso-ventral distance) of free-living southern right...

Data from: Trait-based formal definition of plant functional types and functional communities in the multi-species and multi-traits context

James. L. Tsakalos, Fiamma Riviera, Erik. J. Veneklaas, Mark. P. Dobrowolski & Ladislav Mucina
The concepts of traits, plant functional types (PFT), and functional communities are effective tools for the study of complex phenomena such as plant community assembly. Here, we (1) suggest a procedure formalising the classification of response traits to construct a PFT system; (2) integrate the PFT, and species compositional data to formally define functional communities; and, (3) identify environmental drivers that underpin the functional-community patterns.A species–trait data set featuring species pooled from two study sites...

Vegetation structure and fuel dynamics in fire-prone, Mediterranean-type Banksia woodlands

Ryan Tangney, R.G. Miller, J.B. Fontaine, W.P. Veber, K.X. Ruthrof & B.P. Miller
Increasing extreme wildfire occurrence globally is boosting demand to understand the fuel dynamics and fire risk of fire-prone areas. This is particularly pressing in fire-prone, Mediterranean climate-type vegetation, such as the Banksia woodlands surrounding metropolitan Perth, southwestern Australia. Despite an extensive wildland-urban interface and frequent fire occurrence, fuel accumulation and the spatial variation in fuel risk is not well quantified across the broad extent of this ecosystem. Using a space for time sampling approach to...

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  • Murdoch University
  • University of Western Australia
  • Curtin University
  • University of Pretoria
  • University of Zurich
  • UNSW Sydney
  • James Cook University
  • University of Adelaide
  • Duke University
  • University of Melbourne