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104 results for “forbs”
FIGURE 2. A in John Forbes (1799-1823) in the Eastern Cape, South Africa, in 1822 and 1823: his plant collections and collecting localities
FIGURE 2. A. Landing by means of a surf-boat, as depicted by Thomas Baines in 1848 (from Anonymous 1866). B. Cuyler Manor, near Kariega (Uitenhage). C. The vegetation around Cuyler Manor, near Uitenhage (Kariega), where Forbes briefly sojourned, is a dense, spiny, near-impenetrable thicket. Here a mature specimen of Aloe ferox, from which leaves have been harvested previously for juice-tapping, grows in the foreground. Note the presence of Opuntia ficus-indica (L.) Mill. (light greyish green pads in the distance), the invasive New World cactus, which would have been absent from the area when Forbes visited Kariega. D. Fort Frederick and its dominating view over Algoa Bay; the grave of William Evatt is seen outside the fort by the side of the wall. Photograph credits: B and C, ©Gideon F. Smith; D, ©Estrela Figueiredo.
FIGURE 4. A. Achyranthemum affine. B. Pterygodium catholicum. C. Satyrium membranaceum. D. Salvia aurea. E. Polygala virgata. F. Selago canescens. G in John Forbes (1799-1823) in the Eastern Cape, South Africa, in 1822 and 1823: his plant collections and collecting localities
FIGURE 4. A. Achyranthemum affine. B. Pterygodium catholicum. C. Satyrium membranaceum. D. Salvia aurea. E. Polygala virgata. F. Selago canescens. G. Gnidia styphelioides. Photograph credits: A, G https://www.inaturalist.org/photos/15651028, ©Adriaan Grobler (CC BY-NC); B https://www.inaturalist.org/photos/15773287, ©Tony Rebelo (CC BYSA); C https://www.inaturalist.org/photos/166771949, D https://www.inaturalist.org/photos/228976376 and F https://www.inaturalist.org/photos/289621704, ©David Hoare (CC BY-NC); E ©Estrela Figueiredo.
Data from: Genomic reconstruction of 100 000-year grassland history in a forested country: population dynamics of specialist forbs
Grassland ecosystems worldwide have been extensively converted to other land uses and are globally imperiled. Because many grasslands have been maintained by human activities, understanding their origin and history is fundamentally important to better contemporary management. However, existing methods to reconstruct past vegetation can produce contrasting views on grassland history. Here, we inferred demographic histories of 40 populations of four grassland forb species throughout Japan using high-resolution genome sequences and model-flexible demographic simulation based on the site frequency spectrum. Although two species showed a slight decline in population size between 100 000–10 000 years ago, our results suggest that population sizes of studied species have been maintained within the range of 0.5–2.0 times the most recent estimates for at least 100 000 years across Japan. Our results suggest that greater than 90% declines in Japanese grasslands and subsequent losses of grassland species in the last 100 years are geologically and biologically important and will have substantial consequences for Japanese biota and culture. People have had critical roles in maintaining disturbance-dependent grassland ecosystems and biota in this warm and wet forested country. In these contexts, disturbances associated with forest harvesting and traditional extensive farming have the potential to maintain grassland ecosystems and can provide important opportunities to reconcile resource production and conservation of grassland biodiversity.
Data from: Seedling recruitment in subalpine grassland forbs: predicting field regeneration behaviour from lab germination responses
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Data from: Potential mechanisms of coexistence in closely related forbs
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Data from: Pollinator-mediated gene flow connects green roof populations across the urban matrix: a paternity analysis of the self-compatible forb Penstemon hirsutus
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Data from: Direct litter interference and indirect soil competitive effects of two contrasting phenotypes of a spiny legume shrub drive the forb composition of an oromediterranean community
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Data from: Genomic reconstruction of 100 000-year grassland history in a forested country: population dynamics of specialist forbs
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Data from: Intraspecific variation among clones of a naïve rare grass affects competition with an invasive forb
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Data from: Novel insights into how the mean and heterogeneity of abiotic conditions together shape forb species richness patterns in the Allegheny plateau ecoregion
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Data from: Rodent seed predators and a dominant grass competitor affect coexistence of co-occurring forb species that vary in seed size
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Processes at the soil-root interface determine the different responses of nutrient limitation and metal toxicity in forbs and grasses to nitrogen enrichment
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Data from: Aboveground versus soil-mediated effects of an invasive grass on fire-dependent forbs in an oak woodland
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Figures 9-12 from: Ericson HC, Forbes AA (2020) Description of the new species Coptera tonic (Hymenoptera, Diapriidae), a pupal parasitoid of Rhagoletis juniperina Marcovitch (Diptera, Tephritidae), and revised partial keys to Nearctic Coptera Say. ZooKeys 985: 49-60. https://doi.org/10.3897/zookeys.985.56974
Figures 9-12 Female Coptera pomonellae9 lateral habitus 10 dorsal view of head 11 dorsal view of mesosoma 12 dorsal view of petiole.
Figures 1-4 from: Ericson HC, Forbes AA (2020) Description of the new species Coptera tonic (Hymenoptera, Diapriidae), a pupal parasitoid of Rhagoletis juniperina Marcovitch (Diptera, Tephritidae), and revised partial keys to Nearctic Coptera Say. ZooKeys 985: 49-60. https://doi.org/10.3897/zookeys.985.56974
Figures 1-4 Female Coptera tonic1 lateral habitus 2 dorsal view of head 3 dorsal view of mesosoma 4 dorsal view of petiole.
Figures 13-16 from: Ericson HC, Forbes AA (2020) Description of the new species Coptera tonic (Hymenoptera, Diapriidae), a pupal parasitoid of Rhagoletis juniperina Marcovitch (Diptera, Tephritidae), and revised partial keys to Nearctic Coptera Say. ZooKeys 985: 49-60. https://doi.org/10.3897/zookeys.985.56974
Figures 13-16 Male Coptera pomonellae13 lateral habitus 14 antenna 15 dorsal view of mesosoma 16 dorsal view of petiole.
Figures 5-8 from: Ericson HC, Forbes AA (2020) Description of the new species Coptera tonic (Hymenoptera, Diapriidae), a pupal parasitoid of Rhagoletis juniperina Marcovitch (Diptera, Tephritidae), and revised partial keys to Nearctic Coptera Say. ZooKeys 985: 49-60. https://doi.org/10.3897/zookeys.985.56974
Figures 5-8 Male Coptera tonic5 lateral habitus 6 antenna 7 dorsal view of mesosoma 8 dorsal view of petiole.
Supplementary material 2 from: Jain P, Forbes H, Gorneau JA, Esposito LA (2023) A new species of alkali-sink Paruroctonus Werner, 1934 (Scorpiones, Vaejovidae) from California's San Joaquin Valley. ZooKeys 1185: 199-239. https://doi.org/10.3897/zookeys.1185.103574
Complete list of records used to create map in Fig. 5
Community species diversity mediates the trade-off between aboveground and belowground biomass for grasses and forbs in degraded alpine meadow, Tibetan Plateau
<p>Although many empirical experiments have shown that increasing degradation results in lower aboveground biomass (AGB), our knowledge of the magnitude of belowground biomass (BGB) for individual plants is a prerequisite for accurately revealing the biomass trade-off in degraded grasslands. Here, by linking the AGB and BGB of individual plants, species in the community, and soil properties, we explored the biomass partitioning patterns in different plant functional groups (grasses of <i>Stipa capillacea</i> and forbs of <i>Anaphalis xylorhiza</i>). Our results indicated that 81% and 60% of the biomass trade-off variations could be explained by environmental factors affecting grasses and forbs, respectively. The change in community species diversity dominated the biomass trade-off via either direct or indirect effects on soil properties and biomass. However, the community species diversity imparted divergent effects on the biomass trade-off for grasses (scored at -0.72) and forbs (scored at 0.59). Our findings suggest that plant communities have evolved two contrasting strategies of biomass allocation patterns in degraded grasslands. These are the "conservative" strategy in grasses, in which plants with larger BGB trade-off depends on gigantic roots for soil resources, and the "opportunistic" strategy in forbs, in which plants can adapt to degraded lands using high variation and optimal biomass allocation.</p>
Supplementary material 1 from: Egan SP, Weinersmith KL, Liu S, Ridenbaugh RD, Zhang MY, Forbes AA (2017) Description of a new species of Euderus Haliday from the southeastern United States (Hymenoptera, Chalcidoidea, Eulophidae): the crypt-keeper wasp. ZooKeys 645: 37-49. https://doi.org/10.3897/zookeys.645.11117
Morphological, geographic, and ecological distinguishing features of Euderus set :
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International Brain Laboratory public data
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OpenNeuro
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