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68 results for “foundational species”

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zenodo32/100

Data from: Co-restoring keystone predators and foundation species to recover a coastal wetland

Provided here are the following datasets for the paper entitled "Co-restoring keystone predators and foundation species to recover a coastal wetland" upcoming in the Journal of Applied Ecology.  1 Proximity to existing Scylla burrows.xlsx This file contains all data for the paper's section "Effects of proximity to existing Scylla burrows on Scirpus restoration"  2 Scylla reintroduction.xlsx This file contains all data for the paper's section "Effects of Scylla reintroduction on Scirpus restoration"  3 Consumptive and non-consumptive effects.xlsx This file contains all data for the paper's section "Consumptive and non-consumptive effects of Scylla"  4 Opening size and food items.xlsx This file contains all data for Fig. S1 and Table S1 in the Supporting Information  The metadata for interpreting these data sets are included in the Excel files.

opencc-by-4.0Dec 2023View details →

dryad32/100

Facilitation cascades across space: monitoring estuarine foundation species from satellites to the microscope

Estuaries are productive ecosystems that are vulnerable to human impacts and environmental disturbances. Estuaries are often inhabited by foundation species that facilitate other organisms by creating and modifying habitats. However, spatiotemporal variability and underpinning drivers of facilitation from estuarine foundation species are poorly studied, especially in the context of monitoring and conservation. Here, we combined analyses of satellite, drone, and camera images, close-up field sampling of quadrats and individuals, and laboratory microscopy, to quantify co-occurrences between the cockle Austrovenus stutchburyi and green macroalga Ulva spp., and their associated invertebrate communities, across spatial resolutions and environmental gradients in a New Zealand estuary. We found a higher abundance of Ulva in winter and a higher abundance of Austrovenus at a site near the ocean. Furthermore, Ulva was, across space and time, often attached to Austrovenus, either live or dead shells, suggesting a hierarchy between a primary (cockle) and secondary (macroalgae) foundation species. Finally, Ulva provided a better habitat for mobile invertebrates than Austrovenus, and thereby increased estuarine diversity through a density-dependent facilitation cascade, that also was consistent in space and time. Overall, our study showed that facilitation cascades can be indirectly inferred and monitored through remote sensing of foundation species using supplementary imaging methods, and that integration of data across scales allows researchers to better understand drivers and consequences of facilitation from foundation species. These insights may aid the development of efficient monitoring strategies and ultimately improve management of estuarine ecosystems.

opencc-zeroMar 2024View details →

zenodo32/100

Рис. 13. ГнёзΑа скаΛьных гоΛубей Columba rupestris, основаниями которых сΛужиΛи старые гнёзΑа птиц этого виΑа. 1 — Δазовский район, мост через кΛюч ЗвёзΑочка, 25.05.2022, фото В.П. Шохрина; 2 — Октябрьский район, разваΛины в окрестностях сеΛа Чернятино, 23.04.2022, фото À.В. Коробова Fig. 13. Nests of hill pigeons Columba rupestris with old nests of the same species as foundations. 1 — Lazovsky District, bridge over Zvezdochka Spring, 25.05.2022. Photo by V.P. Shokhrin; 2 — Oktyabrsky District, ruins in the vicinity of the village of Chernyatino, 23.04.2022. Photo by D.V. Korobov in About breeding biology of the hill pigeon Columba rupestris in Primorsky Krai

Рис. 13. ГнёзΑа скаΛьных гоΛубей Columba rupestris, основаниями которых сΛужиΛи старые гнёзΑа птиц этого виΑа. 1 — Δазовский район, мост через кΛюч ЗвёзΑочка, 25.05.2022, фото В.П. Шохрина; 2 — Октябрьский район, разваΛины в окрестностях сеΛа Чернятино, 23.04.2022, фото À.В. Коробова Fig. 13. Nests of hill pigeons Columba rupestris with old nests of the same species as foundations. 1 — Lazovsky District, bridge over Zvezdochka Spring, 25.05.2022. Photo by V.P. Shokhrin; 2 — Oktyabrsky District, ruins in the vicinity of the village of Chernyatino, 23.04.2022. Photo by D.V. Korobov

opennotspecifiedMar 2023View details →

zenodo32/100

Data from: Foundation species support fauna across multiple trophic levels via trophic and non-trophic mechanisms

Given here are the data sets for the paper entitled "Foundation species support fauna across multiple trophic levels via trophic and non-trophic mechanisms". 1 Biomass of fauna.xlsx This file contains the biomass data for fauna in seagrass beds and unvegetated mudflats. 2 Abundance of fauna.xlsx This file contains the abundance data for fauna in seagrass beds and unvegetated mudflats. 3 Egg abundance.xlsx This file contains the abundance data for eggs in seagrass beds and unvegetated mudflats. 4 Stable isotope of fauna.xlsx This file contains the stable isotope data for all sampled faunal species, as well as basal resources. 5 Seagrass.xlsx This file contains the shoot density and canopy height data of seagrasses. 6 Survival rate.xlsx This file contains the survival rate data of the tethered consumers in the predation sheltering experiments. 7 Feeding trial.xlsx This file contains data on the number of different snail species attracted to the meat bait. 8 Stomach content.xlsx This file contains the stomach content data for the consumer species analyzed in our study. The metadata for interpreting the data sets are included in the Excel files.

opencc-by-4.0Sep 2024View details →

dryad32/100

Cascading impacts of earthquakes and extreme heatwaves have destroyed populations of an iconic marine foundation species

Aim: Ecologists traditionally study how contemporary local processes, such as biological interactions and physical stressors, affect the distribution and abundance of organisms. By comparison, biogeographers study the distribution of the same organisms, but focus on historic, larger-scale processes that can cause mass mortalities, such as earthquakes. Here we document cascading effects of rare biogeographical (seismic) and more common ecological (temperature-related) processes on the distribution and abundances of coastal foundation species. Location: Intertidal wave-exposed rocky reefs around Kaikōura, New Zealand, dominated by large, long-lived, and iconic southern bull kelps (Durvillaea antarctica and Durvillaea willana). Methods: In November 2016, a 7.8 Mw earthquake uplifted the coastline around Kaikōura by up to 2 m, and a year later the region experienced the hottest summer on record. Extensive sampling of intertidal communities over 15 km coastline were done shortly after the earthquake and heatwaves and 4 years after the earthquake. Results: Durvillaea lost 75% of its canopy to uplift and the heatwaves reduced canopies that had survived the uplift by an additional 35%. The survey done four years after the earthquake showed that Durvillaea had not recovered, and that the intertidal zone in many places now was dominated by small turfs and foliose seaweed. Main conclusions: Cascading impacts from seismic uplift and heatwaves have destroyed populations of Durvillaea around Kaikōura. Surviving smaller and sparser Durvillaea patches will likely compromise capacity for self-replacement and lower resilience to future stressors. These results are discussed in a global biogeographical-ecological context of seismic activity and extreme heatwaves, and highlight that these events, which are not particularly rare in a geological context, may have common long-lasting ecological legacies.

opencc-zeroAug 2021View details →

dryad32/100

High temperature frequently increases facilitation between aquatic foundation species: A global meta-analysis of interaction experiments between angiosperms, seaweeds, and bivalves

<ol> <li>Many studies have quantified ecological impacts of individual foundation species (FS). However, emerging data suggest that FS often co-occur, potentially inhibiting or facilitating one another, thereby causing indirect, cascading effects on surrounding communities. Furthermore, global warming is accelerating, but little is known about how interactions between co-occurring FS vary with temperature. </li> <li>Shallow aquatic sedimentary systems are often dominated by three types of FS: slower-growing clonal angiosperms, faster-growing solitary seaweeds, and shell-forming filter- and deposit-feeding bivalves. Here, we tested the impacts of one FS on another by analyzing manipulative interaction experiments from 148 papers with a global meta-analysis.</li> <li> We calculated 1,942 (non-independent) Hedges' g effect sizes, from 11,652 extracted values over performance responses, such as abundances, growths or survival of FS, and their associated standard deviations and replication levels. Standard aggregation procedures generated 511 independent Hedges' g that was classified into six types of reciprocal impacts between FS. </li> <li>We found that (i) seaweeds had consistent negative impacts on angiosperms across performance responses, organismal sizes, experimental approaches, and ecosystem types; (ii) angiosperms and bivalves generally had positive impacts on each other (e.g., positive effects of angiosperms on bivalves were consistent across organismal sizes and experimental approaches, but angiosperm effects on bivalve growth and bivalve effect on angiosperm abundance were not significant); (iii) bivalves positively affected seaweeds (particularly on growth responses); (iv) there were generally no net effects of seaweeds on bivalves (except for positive effect on growth) or angiosperms on seaweeds (except for positive effect on 'other processes'); and (v) bivalve interactions with other FS were typically more positive at higher temperatures, but angiosperm-seaweed interactions were not moderated by temperature.</li> <li> Synthesis: Despite variations in experimental and spatiotemporal conditions, the stronger positive interactions at higher temperatures suggest that facilitation, particularly involving bivalves, may become more important in a future warmer world. Importantly, addressing research gaps, such as the scarcity of FS interaction experiments from tropical and freshwater systems and for less studied species, as well as testing for density-dependent effects, could better inform aquatic ecosystem conservation and restoration efforts and broaden our knowledge of FS interactions in the Anthropocene. </li> </ol>

opencc-zeroMar 2023View details →

dryad32/100