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1,074 results for “invasive species”
IPBES Invasive Alien Species Assessment: Summary for Policymakers. Figures, tables and captions in Spanish
<p>Spanish translations of the figures, tables and their captions from the Summary for Policymakers of the Thematic Assessment Report on Invasive Alien Species and their Control of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.</p>
Impact of Invasive Species & Ecosystem-Based Fisheries Management
<p>During the Sabai Webinar Series 14, hosted by the Shwetaungthagathu Reform Initiative Centre (SRIc), Burmese Experts, including Mr Phoe Cho, Fisheries Specialist, Mr Thadoe Wai, Local Freshwater Ecologist and Mr Tin Shine Aung: Sustainability Consultant and Researcher engaged in a discussion on <br>ecological impact of invasive fish species in Myanmar. </p> <p>They highlighted the consequences of introducing invasive fish species into natural water sources, such as rivers, streams, & seas and why ecosystem-based fisheries management is important. </p> <p>This Sabai Webinar Series was conducted under the Edu4SD project.</p> <p> </p>
FIGURES 12‑17 in Anatomy Of Predator Snail Huttonella Bicolor, An Invasive Species In Amazon Rainforest, Brazil (Pulmonata, Streptaxidae)
FIGURES 12‑17: Huttonella bicolor anatomy: 12) foregut and peribuccal region, dorsal-slightly right view; 13) whole specimen just extracted from shell, right view; 14) same, ventral view; 15) pulmonary-pallial cavity, ventral-inner view; 16) digestive tubes as in situ and some adjacent structures, dorsal-slightly right view; 17) buccal mass isolated, right view. Scales = 0.5 mm.
FIGURES 18‑24 in Anatomy Of Predator Snail Huttonella Bicolor, An Invasive Species In Amazon Rainforest, Brazil (Pulmonata, Streptaxidae)
FIGURES 18‑24: Huttonella bicolor anatomy: 18) buccal mass, opened longitudinally on median line in its dorsal wall, dorsal view; 19) same, right view, outer muscular layer removed; 20) same, inner-dorsal layer of muscles sectioned longitudinally and deflected, dorsal view, left m5 only partially shown; 21) same, radular sac and adjacent structures partially removed and deflected to right; 22) genital system, ventral view, base of fertilization complex seen if albumen gland was translucent; 23) detail of penis, sectioned longitudinally, dorsal view; 24) nerve ring, ventral view. Scales = 0.5 mm.
FIGURES 7‑11 in Anatomy Of Predator Snail Huttonella Bicolor, An Invasive Species In Amazon Rainforest, Brazil (Pulmonata, Streptaxidae)
FIGURES 7‑11: Huttonella bicolor hard parts in SEM: 7) radula, whole view, scale: 20 µm; 8) same, detail of central region, scale: 20 µm; 9) same, detail of lateral region, scale: 10 µm; 10) same, detail of central region, rachidian close to right side, scale: 10 µm; 11) detail of aperture, MZSP 98761, apertural-slightly right view, scale: 300 µm.
FIGURES 1‑6 in Anatomy Of Predator Snail Huttonella Bicolor, An Invasive Species In Amazon Rainforest, Brazil (Pulmonata, Streptaxidae)
FIGURES 1‑6: Huttonella bicolor shell: 1) MZSP 98761 (Acre, Brazil), apertural view (H 6.1 mm); 2) same, left view; 3) same, dorsal view; 4) same, right view; 5) MZSP 99734 (Acre, Brazil), specimens with thinner shell, apertural view (H 6.0 mm); 6) same, dorsal view.
Invasion by an exotic species in a three-species competition-diffusion system
<p>We consider the situation where an exotic species <em>w</em> invades an ecosystem inhabited by two native species <em>u</em> and <em>v</em>. All species are competing for the same limited resource. Supposing that <em>u</em> and <em>v</em> are not able to coexist in the absence of the invader, we want to determine whether a successful invasion by <em>w</em> may allow all species to coexist (competitor-mediated coexistence). Mathematically, this problem can be modelled by the following three-species competition-diffusion system<br> <span class="math-tex">\( \left\{ \begin{alignedat}{6} u_t &= d_1 \, \Delta u &&+ (r_1 &&- u &&- b_{12} \, v &&- b_{13} \, w &&)\,u, \\ v_t &= d_2 \, \Delta v &&+ (r_2 &&- v &&- b_{21} \, u &&- b_{23} \, w &&)\,v, \\ w_t &= d_3 \, \Delta w &&+ (r_3 &&- w &&- b_{31} \, u &&- b_{32} \, v &&)\,w, \end{alignedat} \right.\)</span><br> where all parameters are positive constants.</p> <p>We are interested in the case in which the invading species is weaker than the native ones, i.e., it is not able to survive in the diffusion-free system obtained by setting <em>d</em><sub>1</sub> = <em>d</em><sub>2</sub> = <em>d</em><sub>3</sub> = 0.<br> We fix all parameters as<br> <span class="math-tex">\( \begin{aligned} & d_1 = d_2 = d_3 = 1, \\ & r_1 = r_2 = 28, \\ & \begin{aligned} b_{12} &= 22/21, & b_{13} &= 4, \\ b_{21} &= 1.87, & b_{23} &= 3/4, \\ b_{31} &= 26/21, & b_{32} &= 22/21, \\ \end{aligned} \end{aligned}\)</span><br> and leave <em>r</em><sub>3</sub>, which measures the strength of the exotic species, as a free parameter. Depending on the value of <em>r</em><sub>3</sub>, the invasion can be either successful or not and competitor-mediated coexistence may or may not occur, as can be seen in the movies here presented. The species <em>u</em>, <em>v</em> and <em>w</em> are denoted by the red, green and blue colours respectively. The yellow line marks the interface between the species <em>u</em> and <em>v</em>. We remark that competitor-mediated coexistence only occurs for intermediate values of <em>r</em><sub>3</sub>.</p>
Supplementary material 2 from: Dickey JWE, Cuthbert RN, Rea M, Laverty C, Crane K, South J, Briski E, Chang X, Coughlan NE, MacIsaac HJ, Ricciardi A, Riddell GE, Xu M, Dick JTA (2018) Assessing the relative potential ecological impacts and invasion risks of emerging and future invasive alien species. NeoBiota 40: 1-24. https://doi.org/10.3897/neobiota.40.28519
Table S2. Summary of the GB online survey outlining which of the four species of turtle was being sold :
FIGURE 18 in Anagyrus Howard (Hymenoptera: Encyrtidae) parasitoids of the invasive Delottococcus aberiae (De Lotto) (Hemiptera: Pseudococcidae) from South Africa, with description of two new species
FIGURE 18. Tree based on COI sequences of closely related species of Anagyrus representing the maximum clade credibility tree with mean tree heights. Only posterior probabilities above 0.7 are displayed on the nodes.
FIGURES 1–7 in Anagyrus Howard (Hymenoptera: Encyrtidae) parasitoids of the invasive Delottococcus aberiae (De Lotto) (Hemiptera: Pseudococcidae) from South Africa, with description of two new species
FIGURES 1–7. Anagyrus aberiae Guerrieri sp. nov. ♀. 1. Head. 2. Antenna. 3. Fore wing venation. 4. Hypopygium. 5. Ovipositor. ♂. 6. Antenna. 7. Particular of male glands on F6 and clava.
FIGURES 8–12 in Anagyrus Howard (Hymenoptera: Encyrtidae) parasitoids of the invasive Delottococcus aberiae (De Lotto) (Hemiptera: Pseudococcidae) from South Africa, with description of two new species
FIGURES 8–12. Anagyrus antoniae Guerrieri sp. nov. ♀. 8. Head. 9. Antenna. 10. Fore wing venation. 11. Hypopygium. 12. Ovipositor.
FIGURES 13–17 in Anagyrus Howard (Hymenoptera: Encyrtidae) parasitoids of the invasive Delottococcus aberiae (De Lotto) (Hemiptera: Pseudococcidae) from South Africa, with description of two new species
FIGURES 13–17. Anagyrus aurantifrons Compere ♀. 13. Head. 14. Antenna. 15. Fore wing venation. 16. Hypopygium. 17. Ovipositor.
FIGURE 4 in Deroplax silphoides (Thunberg, 1783) (Hemiptera: Heteroptera: Scutelleridae) Invasive Species in Egypt with additional morphological and behavioral data
FIGURE 4. Genital parts of Deroplax silphoides: (A: a, b) male aedeagus, lateral view, (A: c) male right paramere, lateral view, (A: d) apex of paramere; (B: a) female terminalia, (B: b) female spermatheca. B: base, 1st Cp: first conjunctival processes; 2nd Cp: second conjunctival processes, 2nd Cpe: second conjunctival processes' extensions, Cr: crown, Dfl: distal flange, Ejr: Ejaculatory reservoir, Fec: fecundation canal, Fl: flange, Lt8, Lt9: laterotergites VIII, IX, Lvp: lateral vaginal pouch, Pfi: penisfilum, Pfl: proximal flange, R: receptacle, S: spermatheca, St: stem, V: vesica, Vf8: valvifer VIII
FIGURE 3 in Deroplax silphoides (Thunberg, 1783) (Hemiptera: Heteroptera: Scutelleridae) Invasive Species in Egypt with additional morphological and behavioral data
FIGURE 3. Deroplax silphoides: (A, B) texture of male abdominal terga: (A) dorsal and (B) dorsolateral views; (C–G) male abdominal sterna: (C) abdominal sterna III–VI showing scent gland opening and stridulatory patches, (a) scent gland opening at higher magnification, (b) stridulatory patch at higher magnification, (D) texture of sterna, (E–G) stripe-like structures: (E) showing base of stripe inserted between trichobotheria on sternum III, (F) showing a narrow stripe on sternum III, (G) showing a clubbed stripe on sternum VII. Sco: scent gland opening, Sp: spiracle, Str: stridulatory patch, Tri: trichobothrium
FIGURE 6 in Deroplax silphoides (Thunberg, 1783) (Hemiptera: Heteroptera: Scutelleridae) Invasive Species in Egypt with additional morphological and behavioral data
FIGURE 6. Deroplax silphoides: (A) Egg masses on fruit capsules of Dodonaea viscosa: (a) before hatching time, (b) at hatching time, (c) hatched-egg mass showing egg burster (arrow); (B): (a) newly-emerged adult still attached to exuvia, (b, c) exuvia (b) on leaves and (c) on branches; (C) early emerged adult female: (a) ventral and (b) dorsal views.
FIGURE 5 in Deroplax silphoides (Thunberg, 1783) (Hemiptera: Heteroptera: Scutelleridae) Invasive Species in Egypt with additional morphological and behavioral data
FIGURE 5. Eggs of Deroplax silphoides: A) Polygonal reticulated patterns without granules; B) Polygonal reticulated patterns with polymorphic granules; C) Micropyles (arrows), (D) Micropyles with central canal at inner side of eggshell; (E) Egg-burster with its tail
FIGURE 2 in Deroplax silphoides (Thunberg, 1783) (Hemiptera: Heteroptera: Scutelleridae) Invasive Species in Egypt with additional morphological and behavioral data
FIGURE 2. Habitus of adult Deroplax silphoides: A) dorsal; B) lateral; C) ventral view male; D) ventral view Female
FIGURE 2 in Taxonomic resolution of the North American invasive species of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 2. Bythotrephes cederströmii, females and males (Canada: A—Lake Eagle; B—Lac La Croix; C–I—Lake Prairie Bee). Female: A, general lateral view. B, thoracic limb of first pair (tl I). F–H—claws of postabdomen and caudal process. I—bend of caudal process. Male: C, thoracic limb of first pair (tl I). D, inner proximal part of third segment of tl I with clasping hook. E, thoracic limb of forth pair (tl IV) and copulatory appendage.
FIGURE 7 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 7. Flowering branches of Parkinsonia aculeata L. recorded in Egypt. (a) Flowering young branches with numerous inflorescence; (b) The bright yellow flowers with 10 stamens; (c) the flowering habit and axillary raceme inflorescence.
FIGURE 6 in Parkinsonia aculeata L. recorded as alien species in natural habitats of Egypt: Potential for naturalization, invasion or utilization!
FIGURE 6. The structure of the leaves of Parkinsonia aculeata L. recorded in Egypt (a) The bi-pinnate leaves with pinnae and pinnules; (b) the reduced petiole and primary rachis and spinescent paired stipules; (c) the secondary rachises with obovate-elliptic leaflets.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.