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324 results for “plant collection”
FIG. 6. A-C in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
FIG. 6. A-C: Teratocephalus decarinus Anderson,female. A: neck region; B: gonad; C: tail. D-E T. terrestris (Bütschli), female. D: neck region; E: tail. F: T.lirellus Anderson, female, entire specimen.
FIG. 16 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
FIG. 16. Erepnmema arclícum n.sp., female. A: entire specimen; B: head end in medial view; C: end-on view of head.
FIGURE 8. Collection sites. Ankarafantsika N.P in Notes on plant bugs (Hemiptera, Heteroptera, Miridae) from Madagascar with a description of new species of the cylapine tribe Fulviini and checklist of Madagascan mirids
FIGURE 8. Collection sites. Ankarafantsika N.P. (A), Ranomafana N.P. (B, C), Andasibe N.P. Analamazaotra (D), Anjozorobe forest (E, F).
Individual bee foragers are less efficient transporters of pollen for the plants from which they collect the most pollen into their scopae
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Data from: Historical collections reveal patterns of diffusion of sweet potato in Oceania obscured by modern plant movements and recombination
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Data from: Multi-objective optimization for plant germplasm collection conservation of genetic resources based on molecular variability
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Genetic Diversity, Ecological Niches, and Climate Change Vulnerability of Aspens in the Upper Midwest:Common garden plant collection
Quaking aspen (Populus tremuloides) is the most cosmopolitan tree species in North America and an important native at Cedar Creek and across the Midwest. Aspen stands are quite common through eastern, central, and northern Minnesota, and occur sporadically in cool, wet microclimates across the Great Plains. Currently, these stands are in decline, are poorly reproducing in the wild, and are suffering from a range of stresses. Climate change associated phenomena, drought and altered freeze-thaw cycles, have contributed to massive aspen dieback, especially in the American West. We have received funding from the National Park Service to assess the genetic diversity and hybrid status, age structure and health, ecological niche and historical rate of range contraction, and drought and freezing tolerance physiology of an aspen stand of interest at the Niobrara National Scenic River (NNSR) in northern Nebraska. As part of this project, we are also studying genetic diversity and physiological vulnerability to climate change in quaking and bigtooth (P. grandidentata) aspen populations in Minnesota, Wisconsin, Iowa, South Dakota, and Nebraska. We will use genetic markers to identify genetically unique stands and compare growth and survival of these to populations of the parent species under different drought and freeze-thaw conditions. This study will allow us to better pinpoint the causes of decline in the NNSR aspen stands and aspen stands across the upper Midwest, and potentially provide guidance to managers on the prioritization of particular stands for conservation or in identifying genetic sources for any ex situ conservation or assisted migration.
Figure 3 in Morphology of oil-collecting pilosity of female Rediviva bees (Hymenoptera: Apoidea: Melittidae) reflects host plant use
Figure 3. Backscattered SEM images of female Rediviva tarsomeres of forelegs in lateral view. (A) R. nitida (type I); (B) R. macgregori (type II); (C) R. intermixta (type III); (D) R. saetigera (type IV); (E) R. parva (type III); (F) R. gigas (type IV). Scale bar 0.1 mm. Abbreviations: uh, unbranched strong and slender hairs; bh, highly branched absorptive hairs; ph, lamellar apically pluridentate hairs; sph, pluridentate to blunt spatulate hairs; sch, broad and slightly curved blade-like scraping hairs; lth, strong simple hairs with lanceolate tips, branched at the base.
Figure 1 in Morphology of oil-collecting pilosity of female Rediviva bees (Hymenoptera: Apoidea: Melittidae) reflects host plant use
Figure 1. Female Rediviva bees in lateral view showing species-specific variation of foreleg length. (A) R. alonsoae; (B) R. macgregori; (C) R. longimanus; (D) R. emdeorum. Scale bar: 10 mm.
Data from: Social behaviour and collective motion in plant-animal worms
Social behaviour may enable organisms to occupy ecological niches that would otherwise be unavailable to them. Here we test this major evolutionary principle by demonstrating self-organizing social behaviour in the plant-animal, Symsagittifera roscoffensis. These marine aceol flat worms rely for all of their nutrition on the algae within their bodies: hence their common name. We show that individual worms interact with one another to co-ordinate their movements so that even at low densities they begin to swim in small polarized groups and at increasing densities such flotillas turn into circular mills. We use computer simulations to: (1) determine if real worms interact socially by comparing them with virtual worms that do not interact and (2) show that the social phase transitions of the real worms can occur based only on local interactions between and among them. We hypothesize that such social behaviour helps the worms to form the dense biofilms or mats observed on certain sun-exposed sandy beaches in the upper intertidal of the East Atlantic and to become in effect a super-organismic seaweed in a habitat where macro-algal seaweeds cannot anchor themselves. S. roscoffensis, a model organism in many other areas in biology (including stem cell regeneration), also seems to be an ideal model for understanding how individual behaviours can lead, through collective movement, to social assemblages.
Supplementary material 1 from: Nobis M, Klichowska E, Wolanin M, Nobis A, Nowak A (2022) Typification of five plant names described based on specimens collected by Józef Warszewicz in Central and South America. PhytoKeys 192: 45-61. https://doi.org/10.3897/phytokeys.192.78409
Table S1
Figure 1 from: Versieux LM, Dávila N, Delgado GC, de Sousa VF, de Moura EO, Filgueiras T, Alves MV, Carvalho E, Piotto D, Forzza RC, Calvente A, Jardim JG (2017) Integrative research identifies 71 new plant species records in the state of Rio Grande do Norte (Brazil) and enhances a small herbarium collection during a funding shortage. PhytoKeys 86: 43-74. https://doi.org/10.3897/phytokeys.86.13775
Figure 1 - Map of Rio Grande do Norte state and municipalities, phytogeographical domains (Atlantic Rainforest and Caatinga), conglomerates points and new botanical records.
Sample 70 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 69 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 68 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 67 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 64 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 63 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 62 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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Sample 66 in FREELIVING AND PLANT PARASITIC NEMATODES FROM SPITZBERGEN, COLLECTED BY MR. H. VAN ROSSEN
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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)
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DANDI Archive for NWB datasets
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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
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