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217 results for “conservation biology”
Fig. 4 in Reproductive biology of Tylototriton yangi (Urodela: Salamandridae), with suggestions on its conservation
Fig. 4. Pre-spermatophore courtship behavior pattern of Tylototriton yangi in captivity. Clockwise from top-left: a) male nudging the side of the female's head with his snout; b) male nudging the side of the female's body; c) male blocking female's path and beginning to fold his tail; and d) male fanning the tip of his tail toward the female's head. Photographs by Kai WANG.
Fig. 2 in Reproductive biology of Tylototriton yangi (Urodela: Salamandridae), with suggestions on its conservation
Fig. 2. Habitat in which Tylototriton yangi was found at the type locality of Gejiu. Examples of typical breeding pools are shown at the right corner (from left to right, PBP#17 and PBP#12), and positions of other pools are indicated by white arrows. Photographs by Kai WANG.
Fig. 7 in Breeding biology and conservation of hawk-eagles (Spizaetus spp.) Aves, Accipitridae) in southern Atlantic Forest, Brazil
Fig. 7. Nesting phenology of Ornate Hawk-Eagle (nest C). Chronological sequence from upper left to bottom right: nest with an egg (27 Sep 2008); egg; (27 Sep 2008); nestling – few days old (08 Nov 2008); adult on nest (16 Nov 2008); nestling about 10 days old (19 Nov 2008); nestling about 20 days old (28 Nov 2008); nestling about 40 days old (Dec 2008); Fledging (Apr 2009); Nest without chamber or traces of use (Apr 2009).
Fig. 6 in Breeding biology and conservation of hawk-eagles (Spizaetus spp.) Aves, Accipitridae) in southern Atlantic Forest, Brazil
Fig. 6. Nest of an Ornate Hawk-Eagle located 31 m in an Araucaria tree (DBH = 132 cm). Lateral view (upper right) and view from above (bottom right) with details of the chamber (with green leaves and sticks).
Fig. 4 in Breeding biology and conservation of hawk-eagles (Spizaetus spp.) Aves, Accipitridae) in southern Atlantic Forest, Brazil
Fig. 4. Nest of an Ornate Hawk-Eagle built 20 m in a Myrtaceae tree (DBH = 78.94 cm) (red circle). Lateral view (upper right) and view from above (bottom right) of the nest.
Fig. 2 in Breeding biology and conservation of hawk-eagles (Spizaetus spp.) Aves, Accipitridae) in southern Atlantic Forest, Brazil
Fig. 2. Extent of occurrence of the Ornate Hawk-Eagle in the southern Atlantic Forest, Brazil based on historical (before 2000s; red triangles and red dashed line) and current records (after 2000s; black dots and line). Atlantic Forest remnants are showed in light green.
Fig. 1 in Breeding biology and conservation of hawk-eagles (Spizaetus spp.) Aves, Accipitridae) in southern Atlantic Forest, Brazil
Fig. 1. Extent of occurrence of the Black-and-white Hawk-Eagle in the southern Atlantic Forest, Brazil based on historical (before 2000s; red triangles and red dashed line) and current records (after 2000s; black dots and line). Atlantic Forest remnants are showed in light green.
Fig. 3 in Breeding biology and conservation of hawk-eagles (Spizaetus spp.) Aves, Accipitridae) in southern Atlantic Forest, Brazil
Fig. 3. Extent of occurrence of the Black Hawk-Eagle in the southern Atlantic Forest, Brazil based on historical (before 2000s; red triangles and red dashed line) and current records (after 2000s; black dots and line). Atlantic Forest remnants are showed in light green.
Data from: high-resolution bioclimatic surfaces for southern Peru: an approach to climate reality for biological conservation
<p>Climatic and bioclimatic surfaces were elaborated for southern Peru (Arequipa, Moquegua and Tacna). For the interpolations, meteorological information from in-situ stations, as well as orographic and geographic covariates were used. Statistical evaluations gave good results, showing some differences with other models also performed for the area. These data will contribute to a better understanding of the ecoclimatic requirements of the species in terms of ENMs and SDMs. </p>
Fig. 2 in Ex-situ conservation of the critically endangered swamp forest crab Parathelphusa reticulata Ng, 1990 (Decapoda: Brachyura: Gecarcinucidae): observations on its reproduction and biology in captivity
Fig. 2. Top view of captive conditions of a, adult crab (CW: 30 mm); b, crablet (CW: 4 mm); c, juvenile crab (CW: 15 mm); d, Setup for pairing individuals. Photographs: Dian Alisha Binte Misba.
Fig. 4 in Ex-situ conservation of the critically endangered swamp forest crab Parathelphusa reticulata Ng, 1990 (Decapoda: Brachyura: Gecarcinucidae): observations on its reproduction and biology in captivity
Fig. 4. Growth of captive Parathelphusa reticulata (F1 generation) over 52 weeks (N = 20). Vertical bars indicate standard deviations.
Fig. 1 in Eudicella trimeni Janson, 1884 (Coleoptera: Scarabaeidae: Cetoniinae: Goliathini): Description of larva with notes on conservation status, biology and taxonomy
Fig. 1. Third instar larvae: (A) head, (B) epipharynx, (C) mandibles, (D) labium and maxillae, (E) stridulatory areas of mala, (F) dorsal view of last antennomere, (G) lateral view of tarsungulus, (H) raster.
Fig. 3 in Eudicella trimeni Janson, 1884 (Coleoptera: Scarabaeidae: Cetoniinae: Goliathini): Description of larva with notes on conservation status, biology and taxonomy
Fig. 3. Variation in male morphology and colour pattern of Eudicella trimeni populations from KwaZuluNatal (A) and Eastern Cape (B).
Fig. 4 in Eudicella trimeni Janson, 1884 (Coleoptera: Scarabaeidae: Cetoniinae: Goliathini): Description of larva with notes on conservation status, biology and taxonomy
Fig. 4. Dorsal and lateral views of the aedeagus of Eudicella trimeni populations from KwaZulu-Natal (A) and Eastern Cape (B).
Fig. 2 in Eudicella trimeni Janson, 1884 (Coleoptera: Scarabaeidae: Cetoniinae: Goliathini): Description of larva with notes on conservation status, biology and taxonomy
Fig. 2. Distribution of Eudicella trimeni populations in KwaZulu-Natal (circles) and in the Eastern Cape (stars).
Data from: Comparative species delimitation of a biological conservation icon
Open the record for dataset details and reuse information.
Targeting fin whale conservation in the North-Western Mediterranean Sea: Insights on movements and behaviour from biologging and habitat modelling
<p>Biologging and habitat modelling are key tools supporting the development of conservation measures and mitigating the effects of anthropogenic pressures on marine species. Here, we analysed satellite telemetry data and foraging habitat preferences in relation to chlorophyll-a productivity fronts to understand the movements and behaviour of endangered Mediterranean fin whales (<em>Balaenoptera physalus)</em> during their spring-summer feeding aggregation in the North-Western Mediterranean Sea. Eleven individuals were equipped with Argos satellite transmitters across three years, with transmissions averaging 23.5 ± 11.3 days. Hidden Markov Models were used to identify foraging behaviour, revealing how individuals showed consistency in their use of seasonal core feeding grounds; this was supported by the distribution of potential foraging habitat. Importantly, tracked whales spent most of their time in areas with no explicit protected status within the study region. This highlights the need for enhanced time- and place-based conservation actions to mitigate the effects of anthropogenic impacts for this species, notably ship strike risk and noise disturbance in an area of exceptionally high maritime traffic levels. These findings strengthen the need to further assess critical habitats and Important Marine Mammal Areas that are crucial for focussed conservation, management, and mitigation efforts.</p>
Fig. 16 in Taxonomic Review Of Euphydryas Maturna (Linnaeus, 1758) (Lepidoptera, Nymphalidae) With Description Of A New Subspecies From Dobrogea (Romania) And Notes On Conservation Biology
Fig. 16. Distribution of Euphydryas maturna in Eurasia and in SE Europe
Augmentation and conservation biological control of Tetranychus urticae on hops in Ohio
<p class="MsoNormal"></p> <p class="MsoNormal">The twospotted spider mite, <em>Tetranychus urticae </em>Koch<em> </em>(Acari: Tetranychidae),<em> </em>is a key pest on hops grown in the Midwestern USA, where hop production is a new industry, and little research has been done on the management of <em>T. urticae</em>.<span> </span>In 2016 and 2017, we conducted an experiment to determine the efficacy of augmentative biological control of <em>T. urticae</em> populations on the cultivar 'Cascade' at four hop yards. <span> </span>In both years, treatments compared <em>Neoseiulus fallacis</em> Garman (Acari: Phytoseiidae), released at a high rate and a low rate, and an untreated control, with eight replicates in 2016 and 17 replicates in 2017. <span> </span>Additional treatments in 2016 evaluated <em>Galendromus</em> <em>occidentalis </em>Nesbitt<em> </em>(Acari: Phytoseiidae) released at a high and a low rate. The target low rate in both years was one predator per ten <em>T. urticae</em>. The target high rate was one predator per five <em>T. urticae</em> in 2016, and one predator per two <em>T. urticae</em> in 2017. <span> </span>When weekly monitoring showed that the population reached an action threshold of one <em>T. urticae</em> per ten leaves, predatory mites were released. <span> </span>If the <em>T. urticae</em> population continued to increase, a second release was made. <span> </span>By the time of harvest, the cumulative number of mite-days for <em>T. urticae</em> did not differ significantly among treatments in either year.<span> </span>Hop yields showed a significant treatment effect in 2016, with higher yield where the high rate of <em>G. occidentalis</em> was released than in other treatments, but yields did not show any significant treatment effect in 2017.<span> </span>In 2017, we also conducted an exclusion experiment at four hop yards in Ohio, to determine the services provided by predators already present in hop yards, as well as the ability of the combination of predatory mites, <em>N. fallacis</em> and <em>Neoseiulus californicus </em><span>McGregor</span><em> </em>(Acari: Phytoseiidae), to suppress <em>T. urticae </em>by augmentative releases at three different predator to prey ratios: zero to ten, one to ten, and two to ten.<span> </span>Samples were paired; one leaf was covered with a fine mesh bag and one leaf was left uncovered, in each of 50 replicates.<span> </span>After two weeks, the average number of <em>T. urticae</em> motiles on the open leaves that received zero phytoseiids was significantly less than the starting number of ten, suggesting that ambient predation is capable of suppressing <em>T. urticae</em> populations.<span> </span>The average number of <em>T. urticae</em> motiles on the enclosed leaves that received two phytoseiids was also significantly less than the starting number of ten, while the average number of <em>T. urticae</em> motiles on the enclosed leaf that received one phytoseiid was not, showing that a ratio of one phytoseiid to five <em>T. urticae</em> is effective at reducing <em>T. urticae</em> populations.<span> </span>Our experiments showed that when <em>T. urticae </em><span>is </span>found at low to moderate densities, naturally occurring predators are able to suppress their populations in Ohio hop yards.<span> </span>Augmentation using phytoseiid mites did not have a consistent beneficial effect on yields.<span> </span>Given that naturally occurring predators are important in the suppression of <em>T. urticae</em> populations, future studies thus might concentrate on conservation biological control.</p> <p> </p>
Data from: The interplay of intercropping, wildflower strips and weeds in conservation biological control and productivity
<p>Diversifying agroecosystems is instrumental to reduce pesticide use in agriculture. While different diversification practices have the potential to reduce pests, their integration at the agroecosystem level and the evaluation of their multifunctional effects remain limited. Through a two-year field experiment conducted in Germany, we tested whether associating intercropping (faba bean-wheat, followed by breadseed poppy-barley) with pluriannual wildflower strips strengthens the biological regulation of aphid pests and weeds, and enhances cropping system productivity. The contribution of flowering weeds to conservation biological control was also analysed. Aphid colonization rates, but also predator colonization and predation rates, on bean and poppy were consistently lower in intercropping compared to sole cropping. Associating wildflower strips to intercropping enhanced aphid predation in bean-wheat intercropping, and further reduced aphid colonization at 10 m distance from the flower strip but not at 20 m in poppy-barley intercropping. Weed biomass was strongly reduced in intercropping compared to sole crop bean and poppy, and did not significantly affect bean and poppy yields in intercropping. The cover of one flowering weed species, <em>Matricaria recutita</em>, was negatively correlated to aphid colonization rate and positively correlated to predation rate in bean-wheat intercropping. In poppy-barley intercropping, <em>M. recutita</em> flowers were visited more often by predatory hoverflies in plots adjacent to wildflower strips. Finally, land equivalent ratio, measuring land-use efficiency, was consistently higher than 1, and the highest in bean-wheat intercropping associated to wildflower strips. The study shows that intercropping is key to control multiple pests and enhance land-use efficiency, and demonstrates that associating wildflower strips to intercropping can strengthen biological control and cropping system productivity. Flowering weeds, maintained at an acceptable level through intercropping, turn out to be relevant functional biodiversity in interacting with wildflower strips to support natural enemies for conservation biological control.</p>
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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.