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59 results for “artificial habitat”
Fig. 1 in SHORT COMMUNICATION Monitoring a population of Cruziohyla craspedopus (Funkhouser, 1957) using an artificial breeding habitat
Fig. 1. Site map for ABHab points at LPS: dashed line is approximate separation of terra firma and flood plain forest.
Fig. 10 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 10. Comparison of the relative abundance, measured as the number of adult Eleutherodactylus coqui observed per sampling night in the experimental transect where artificial coqui houses were made available, versus the control.
Fig. 6 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 6. Variation in operative temperatures measured by frog agar models in typical forest microhabitats after Hurricane Maria, showing a significant decrease during the cool-dry season (in blue) during midday (A), and nighttime (B).
Fig. 8 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 8. Bar graphs showing coqui house occupancy rate by Eleutherodactylus coqui during the length of this study by daytime (A), and by nighttime (B) surveys. The shaded area in (A) denotes sampling in months during the cool-dry season.
Fig. 7 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 7. Box plots showing variation in forest microhabitat temperature by day (A) and night (B) during the cool-dry season (February) of 2015 (a non-hurricane year), and in 2019, 17 months after Hurricane Maria hit Puerto Rico.
Fig. 5 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 5. Drastic changes in temperature at the transects in the Palo Colorado forest of El Yunque as a consequence of Hurricane Maria. (A) Ambient temperatures registered by HOBO data logger in the forest understory before, during, and shortly after Hurricane Maria. (B–C) Box plots showing variation in forest microhabitat temperature by day and at night during the month of September in 2015 (a non-hurricane year), and in 2017, the year that Hurricane Maria hit Puerto Rico.
Fig. 2 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 2. Change in forest structure in the Palo Colorado forest transect (El Yunque) due to Hurricane Maria and corresponding damage/recovery stages according to Table 1. (A) Before the hurricane. (B) Same site after the hurricane, stage 1. (C) Moderate recuperation, stage 3. (D–E) Canopy dominated by Sierra Palm fronds showing signs of further recuperation of original understory vegetation, stage 4.
Fig. 9 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 9. Different uses ascribed to the two types of artificial habitats (=coqui houses) placed in the forest. (A) Coqui frog using bamboo house as retreat site during the day. (B) Bamboo house used as nesting site with a double clutch. Note that eggs are observed but the guarding male jumped away as the photo was taken. (C) PVC house used by a coqui as a nocturnal perching site. (D) PVC house used by a coqui as a calling site during the night.
Fig. 1 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 1. Map showing the location of El Yunque National Forest in Puerto Rico, and the location of the study transects.
Fig. 4 in Characterization of artificial larval habitats of Anopheles darlingi (Diptera: Culicidae) in the Brazilian Central Amazon
Fig. 4. Monthly variation of malaria cases in relation to rainfall in 2011 and 2012 in the dry and rainy season in Manaus.
Fig. 3 in Characterization of artificial larval habitats of Anopheles darlingi (Diptera: Culicidae) in the Brazilian Central Amazon
Fig. 3. Ordering diagram of the canonical correlation analysis (CCA) between environmental factors "limnological parameters" and larval habitat type with Anopheles species: At (Anopheles triannulatus); Aa (Anopheles albitarsis s.l.); Ad (Anopheles darlingi); An (Anopheles nuneztovari); Ao (Anopheles oswaldoi); Ap (Anopheles peryassui); Ab (Anopheles braziliensis); An2 (Anopheles nimbus); Ad2 (Anopheles deaneorum); Ae (Anopheles evansae); DO (dissolved oxygen); NO3 (nitrate); pH (hydrogenionic potential); Temp (temperature); Cond (electrical conductivity); P (phosphorus); TSS (total suspended solids).
Fig. 2 in Characterization of artificial larval habitats of Anopheles darlingi (Diptera: Culicidae) in the Brazilian Central Amazon
Fig. 2. Artificial larval habitats evaluated herein and their local structural characteristics: (A) fish ponds, (B) clay pits and (C) dams.
Data From: An artificial habitat increases the reproductive fitness of a range-shifting species within a newly colonized ecosystem
<p>When a range-shifting species colonizes an ecosystem it has not previously inhabited, it may experience suboptimal conditions that challenge its continued persistence and expansion. Some impacts may be partially mitigated by artificial habitat analogues: artificial habitats that more closely resemble a species' historic ecosystem than the surrounding habitat. If conditions provided by such habitats increase reproductive success, they could be vital to the expansion and persistence of range-shifting species. We investigated the reproduction of the mangrove tree crab <i>Aratus pisonii </i>in its historic mangrove habitat, the suboptimal colonized salt marsh ecosystem, and on docks within the marsh, an artificial mangrove analogue. Crabs were assessed for offspring production and quality, as well as measures of maternal investment and egg quality. <i>Aratus pisonii</i> found on docks produced more eggs, more eggs per unit energy investment, and higher quality larvae than conspecifics in the surrounding salt marsh. Yet, crabs in the mangrove produced the highest quality larvae. Egg lipids suggest these different reproductive outcomes result from disparities in the quality of diet-driven maternal investments, particularly key fatty acids. This study suggests habitat analogues may increase the reproductive fitness of range-shifting species allowing more rapid expansion into, and better persistence in, colonized ecosystems.</p>
Data from: Artificial refuges to combat habitat loss for an endangered marsupial predator: how do they measure up?
<p>One technique used to combat the growing global species extinction crisis has been to create artificial refuges—human-made replacements for natural refuges destroyed during habitat modification. However, there is limited knowledge of how closely artificial refuges replicate the natural refuges they seek to replace. Mining threatens many species worldwide through large-scale habitat modification, and artificial refuges have been proposed as a method to offset the resulting habitat loss. Here, we examined the microclimatic, physical, and biotic characteristics of natural dens occupied by the northern quoll (<i>Dasyurus hallucatus</i>)—an endangered marsupial threatened by habitat loss—and compared these to 1) superficially similar unoccupied crevices, and 2) artificial dens created by mining companies for northern quolls. Northern quolls occupied natural dens that were cooer and deeper than unoccupied crevices, likely to avoid lethal air temperatures as well as predators. Artificial dens provided similar thermal properties to occupied dens, but lacked key characteristics in having shallower den cavities, less complex surrounding habitat, increased feral cat visitation, and less small mammal prey compared to occupied dens. This study highlights the need to consider multiple facets when constructing artificial refuges, in order to avoid perverse outcomes, such as inadequate shelter, increased predation and food shortages.</p>
Greater functional similarity in mobile compared to sessile assemblages colonizing artificial coastal habitats
<p><span>Among anthropogenic habitats built in the marine environment, floating and non-floating structures can be colonized by distinct assemblages. However, there is little knowledge whether these differences are also reflected in the functional structure. This study compared the functional diversity of sessile and mobile invertebrate assemblages that settle over 3 months on floating vs. non-floating artificial habitats, in two Chilean ports. Using morphological, trophic, behavioral, and life history traits, we found differences between mobile and sessile assemblages regarding the effect of the type of habitat on the functional diversity. Compared to sessile assemblages, a greater functional similarity was observed for mobile assemblages, which suggests that their dispersal capacity enables them to balance the reduced connectivity between settlement structures. No traits, prevailing or selected in one or the other habitat type, were however clearly identified; a result warranting further studies focusing on more advanced stages of community</span><span> development.</span></p>
Amazonian manatee critical habitat revealed by artificial intelligence-based passive acoustic techniques
<p>These files are part of the publication under the same name. The pkl file contains manatee vocalizations mixed with background sounds that have been used to train a CNN. The resulting model is available in the .tflite file. The Python file can browse the vocalizations that have been made available, visualize the human labels, and if Tensorflow is available classify the samples, providing the classifier output for the manatee class. The corresponding paper should be referred to for thresholds and performance details that were used for field data.</p>
Fig. 3 in SHORT COMMUNICATION Monitoring a population of Cruziohyla craspedopus (Funkhouser, 1957) using an artificial breeding habitat
Fig. 3. Newly metamorphosed juvenile Cruziohyla craspedopus.
Fig. 4 in Can artificial retreat sites help frogs recover after severe habitat devastation? Insights on the use of "coqui houses" after Hurricane Maria in Puerto Rico
Fig. 4. Artificial coqui houses built with (A) bamboo shoots and (B) PVC tubes.
Data from: Detection of vertebrates from natural and artificial inland water bodies in a semi-arid habitat using eDNA from filtered, swept and sediment samples
<p>Climate warming will impact the sustainability of arid and semi-arid zone environments so we need to understand the influence of changes in arid lands on vertebrate populations. However, biomonitoring and biodiversity assessment in arid environments can be prohibitively time-consuming, expensive, and logistically challenging due to their often remote and inhospitable nature. Sampling of environmental DNA (eDNA) coupled with high-throughput sequencing is an emerging biodiversity assessment method. Here we explore the application of eDNA metabarcoding and various sampling approaches to estimate vertebrate richness and assemblage at human-constructed and natural water sources in a semi-arid region of Western Australia. Three sampling methods: sediment samples, filtering through a membrane with a pump, and membrane sweeping in the water body, were compared using two eDNA metabarcoding assays, 12S-V5 and 16smam, for 120 eDNA samples collected from four gnammas (gnamma: Australian Indigenous Noongar language term – granite rock pools) and four cattle troughs in the Great Western Woodlands, Western Australia. We detected higher vertebrate richness in samples from cattle troughs and found differences between assemblages detected in gnammas (more birds and amphibians) and cattle troughs (more mammals, including feral taxa). Total vertebrate richness was not different between swept and filtered samples, but all sampling methods yielded different assemblages. Our findings indicate that eDNA surveys in arid lands will benefit from collecting multiple samples at multiple water sources to avoid underestimating vertebrate richness. The high concentration of eDNA in small, isolated water bodies permits the use of sweep sampling which simplifies sample collection, processing, and storage, particularly when assessing vertebrate biodiversity across large spatial scales.</p>
Data from: Artificial refuges to combat habitat loss for an endangered marsupial predator: how do they measure up?
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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.