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151 results for “ecological integrity”
Data from: On the relative importance of CSR ecological strategies and integrative traits to explain species dominance at local scales
PLEASE NOTE, PART OF THESE DATA ARE ALSO REFERRED TO ANOTHER ARTICLE. PLEASE SEE http://dx.doi.org/10.1111/j.1654-1103.2009.01119.x FOR MORE INFORMATION. 1. Identifying ecological strategies based on functional traits has been one of the main focuses of studies on plant community assembly. Recently, an important and timely tool, "StrateFy", has been proposed for detecting plant strategies across the globe according to the CSR scheme. The CSR scheme is undeniably efficient across scales, and distinct CSR strategies among species have been proposed to explain differing degrees of dominance among species. However, in a previous study we showed that dominance ranking of woody species in a resource-poor habitat (coastal sandy plain) was not explained by morphological traits commonly measured in functional approaches (such as those used to estimate CSR strategies), but by integrative traits (i.e. traits that are the result of different combinations of functional traits) more related to plant performance. 2. Here, we used CSR analysis and StrateFy on a dataset collected on a coastal sandy plain to test the hypothesis that the dominance ranking would be compatible with the CSR strategies; i.e., that dominant species would show a greater proportion of the stress-tolerance (S%) strategy than subordinate species. 3. Contrary to our hypothesis, all species exhibited an S/CS strategy, and the most-dominant species had neither similar values nor the highest S%. The inability of CSR analysis (as applied using StrateFy) to predict dominance ranking suggests that it can explain relative dominance when different strategies co-occur, but not in cases where dominant and subordinate plants share the same strategy. 4. We argue that the relative importance of CSR and integrative traits for describing dominance ranking may depend on how CSR strategies are filtered in each environment. In environments where only a narrow range of strategy classes are viable, integrative traits may be more important for explaining variation in degrees of dominance. Thus, the ability of a given species to achieve dominance may depend on integrative traits resulting from multiple trait arrays, not necessarily captured by the SLA, LDMC and LA measurements that are used to calculate the relative proportions of strategies in StrateFy.
Data from: Approaches to integrating genetic data into ecological networks
As molecular tools for assessing trophic interactions become common, research is increasingly focused on the construction of interaction networks. Here we demonstrate three key methods for incorporating DNA data into network ecology and discuss analytical considerations using a model consisting of plants, insects, bats and their parasites from the Costa Rican dry forest. The simplest method involves the use of Sanger sequencing to acquire long sequences to validate or refine field identifications, for example of bats and their parasites, where one specimen yields one sequence and one identification. This method can be fully quantified and resolved and these data resemble traditional ecological networks. For more complex taxonomic identifications, we target multiple DNA loci e.g. from a seed or fruit pulp sample in faeces. These networks are also well resolved but gene targets vary in resolution and quantification is difficult. Finally for mixed templates such as faecal contents of insectivorous bats we use DNA metabarcoding targeting two sequence lengths (157bp, 407bp) of one gene region and a MOTU, BLAST and BIN association approach to resolve nodes. This network type is complex to generate and analyse and we discuss the implications of this type of resolution on network analysis. Using these data we construct the first molecular-based network of networks containing 3304 interactions between 762 nodes of 8 trophic functions and involving parasitic, mutualistic, and predatory interactions. We provide a comparison of the relative strengths and weaknesses of these data types in network ecology.
FIGURE 11 in The integration processes of the distributional patterns in the Mexican Transition Zone: Phyletic, paleogeographic and ecological factors of a case study
FIGURE 11. Graphic hypothesis of the phyletic diversification and relationships of the O. chevrolati species group in the Mexican Transition Zone. Tip names are the species complexes. The figure elucidates our ideas of the taxonomical relationships and evolution of this species group based on the male and female genitalia, external morphology and geographic distribution: 1. The ancestral line of the O. chevrolati species group must have arrived in what is now Mexico between the Eocene and the Miocene, as part of the most ancient fauna of northern origin. The ancestor of O. vespertilio early separated from the ancestral trunk (plesiomorphic genitalia characters). 2. The ancestral species of the O. hippopotamus species line and of the O. hippopotamus species complex dispersed throughout the Trans-Mexican Volcanic Belt prior to its current conformation (Miocene to Pliocene). The geomorphological evolution of this mountain system drived the processes of speciation in this complex. Its descendants adapted to the burrows of Geomyidae in the mountains. 3. Separation of the O. hippopotamus and O. brevifrons species complexes. The first evolved with the TMVB, with some expansion southwards and northwards (O. coproides reaching New Mexico and Arizona). The brevifrons species complex is found in the southeastern United States of America and north-northeastern Mexico. Both complexes are found in the mountains and associated with the protected environments of rodent nests: Geomyidae in the case of the O. hippopotamus and Neotoma species complexes, plus three species in caves in the case of the O. brevifrons species complex.
FIGURE 8 in The integration processes of the distributional patterns in the Mexican Transition Zone: Phyletic, paleogeographic and ecological factors of a case study
FIGURE 8. Onthophagus mesoamericanus, male holotype dorsal view, currently a synonym of O. cyanellus.
Data from: Structural and compositional mismatch between captive and wild Atlantic salmon (Salmo salar) parrs gut microbiota highlights the relevance of integrating molecular ecology for management and conservation methods.
Stocking methods are used in the Province of Quebec to restore Salmo salar populations. However, Atlantic salmon stocked juveniles show higher mortality rates than wild ones when introduced into nature. Hatchery environment, which greatly differs from the natural environment, is identified as the main driver of the phenotypic mismatch between captive and wild parrs. The latter is also suspected to impact the gut microbiota composition, which can be associated with essential metabolic functions for their host. We hypothesized that hatchery raised parrs potentially recruit gut microbial communities that are different from those recruited in the wild. This study evaluated the impacts of artificial rearing on gut microbiota composition in 0+ parrs meant for stocking in two distinct Canadian rivers: Rimouski and Malbaie (Quebec, Canada). Striking differences between hatchery and wild born parrs' gut microbiota suggest that microbiota could be another factor that could impact their survival in the targeted river, since the microbiome is narrowly related to host physiology. For instance, major commensals belonging to Enterobacteriaceae and Clostridiacea from wild parrs' gut microbiota were substituted in captive parrs by lactic acid bacteria from the Lactobacillaceae family. Overall, captive parrs host a generalist bacterial community whereas wild parrs' microbiota is much more specialized. This is the very first study demonstrating extensive impact of captive rearing on intestinal microbiota composition in Atlantic salmon intended for wild population stocking. Our results strongly suggest the need to implement microbial ecology concepts into conservation management of endangered salmon stocks supplemented with hatchery reared parrs.
Figures 172–175 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 172–175. Necremnus tidius, scutellum-propodeum. 172, ♀ (Nec-23/NT123); 173, ♀ (Nec 113/NT131); 174, ♂ (Nec- 31/NT124); 175, ♂ (Nec-115/NT132).
Figures 133–138. Necremnus hippia. 133 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 133–138. Necremnus hippia. 133, ♀ face (2013-40); 134, ♀ fore wing base (Nec-126/NT136); 135, ♀ antenna (Nec-126/NT136); 136, ♂ antennae (2013-39); 137, ♂ antenna (2013-38); 138, ♂ scape (2012-46; slide preparation). Arrows denote width of speculum in 134, multiporous plate sensilla in 136 and 137, and basal- and apical-most sensillum in 138.
Figures 117–124. Necremnus hippia. 117–122 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 117–124. Necremnus hippia. 117–122, ♀ lectotype: 117, dorsal habitus; 118, antennae; 119, dorsal mesosoma; 120, tegula (arrow); 121, scutellum-propodeum; 122, fore wing base. 123, N. hippia, ♀ paralectotype (= Necremnus aenigmaticus), tegula (arrow). 124, Eulophus cyrinus, ♀ syntype.
Figures 103–110. Necremnus duplicatus. 103, 104 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 103–110. Necremnus duplicatus. 103, 104, ♀ habitus (2012-27): 103, dorsal; 104, lateral. 105, 106, ♂ habitus: 105, dorsal (2013-36); 106, lateral (2012-17). 107, ♀ dorsal mesosoma (2012-27). 108, ♀ tegula (arrow). 109, 110, ♀ metanotum and propodeum: 109, scanning electron microscopy; 110, macrophotography (2012-27).
Figures 98–102 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 98–102. Necremnus aenigmaticus sp. nov. 98, 99, ♂ allotype: 98, lateral habitus; 99, antennae. 100, ♀ face (2013-45). 101, ♀ lateral head and antennae (holotype). 102, ♂ scape (2011-15; slide preparation, arrows point to basal- and apical-most sensillum).
Figures 92–97 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 92–97. Necremnus aenigmaticus sp. nov., ♀. 92, dorsal habitus; 93, holotype, lateral habitus; 94, holotype, tegula; 95, tegula (2013-48); 96, scutellum-propodeum (2013-45); 97, fore wings (2013-47). Arrow points to tegula in 94 and 95.
Figures 78–84. Necremnus folia. 78–82 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 78–84. Necremnus folia. 78–82, ♂ lectotype: 78, dorsal habitus; 79, left antenna; 80, dorsal mesosoma; 81, fore wing; 82, fore wing base. 83, ♀ dorsal habitus (2013-76). 84, scutellum-propodeum (2013-76).
Figures 165–171. Necremnus tidius. 165, 166 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 165–171. Necremnus tidius. 165, 166, ♀ habitus: 165, dorsal (2012-25); 166, lateral (2012-26). 167, ♀ antenna (2012-25). 168, ♀ fore wing base (arrow points to subcubital setal line). 169, ♂ antennae (Nec-125/NT135). 170, ♂ antennae (2012-22). 171, ♂ scape (arrows point to basal- and apical-most sensillum). Arrows point to multiporous plate sensilla in 169 and 170.
Figures 151–156 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 151–156. Necremnus tidius, ♂ lectotype. 151, dorsal habitus; 152, scutellum-propodeum; 153, tegula (arrow); 154, fore wing base; 155, left antenna (arrow points to multiporous plate sensilla, enlarged below); 156, right antenna (slide preparation).
Figures 72–77 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 72–77. Necremnus croton, ♀ lectotype. 72, dorsal habitus; 73, antennae; 74, dorsal mesosoma; 75, metanotum and propodeum; 76, fore wing; 77, fore wing base.
Figures 65–71 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 65–71. Necremnus cosconius, ♂ lectotype (LT) or paralectotype (PLT). 65, LT dorsal habitus; 66, PLT scutellumpropodeum; 67, LT flagellum; 68, PLT R2 and R3; 69, LT fore wing; 70, stigmal and postmarginal veins; 71, base of fore wing. Arrows point to multiporous plate sensilla in 67 and 68.
Figures 40–47 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 40–47. Necremnus navonei sp. nov. 40–42, habitus: 40, ♀ lateral; 41, ♂ lateral; 42, ♀ dorsal (2013-65). 43–46, ♀ (2013-65): 43, fore wing; 44, dorsal mesosoma; 45, metanotum and propodeum; 46, antenna. 47, ♂ antenna (2013-66).
Figures 48–56 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 48–56. Necremnus tutae sp. nov. 48–50, habitus: 48, ♀ dorsal; 49, ♀ lateral; 50, ♂ lateral. 51, ♀ dorsal mesosoma. 52, ♀ fore wing. 53, ♀ metanotum and propodeum. 54, ♀ antenna. 55, ♂ pedicel and scape. 56, ♂ antenna.
Figures 57–64. Necremnus cosconius. 57–60 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 57–64. Necremnus cosconius. 57–60, Eulophus amempsimus, lectotype ♀: 57, dorsal habitus; 58, antenna; 59, left fore wing; 60, dorsal mesosoma. 61; ♀ dorsal mesosoma (2013-44). 62–64, E. amempsimus, lectotype ♀: 62, scutellum and dorsellum; 63, stigmal and postmarginal veins; 64, base of fore wing.
Figures 85–91. Necremnus rhaecus. 85–89 in An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications
Figures 85–91. Necremnus rhaecus. 85–89, ♀ lectotype: 85, dorsal habitus; 86, antennae; 87, dorsal mesosoma; 88; fore wing; 89, fore wing base. 90, ♀ scutellum and metanotum (2013-75); 91, ♀ scutellum-propodeum (2013-77).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.