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444 results for “Mesoamerica”
Land-Cover Classification of Mesoamerica's Cimate Hubs
<p>This project presents land use classification maps obtained through satellite image analyses for 10 study areas in Mesoamerica. A classification algorithm was adapted specifically for the tropics and developed using the latest satellite images available. We applied Object Based Image Analysis method & Random Forest algorithm on 10m Sentinel 1 (S1) & Sentinel 2 (S2) image collections of years 2022/2023. The study area encompassed 10 landscapes spanning 8 countries across Mesoamerica. These areas cover a total of 256 971 km² and were previously defined by Osa Conservation as potential climate adaptation hubs.</p>
FIG. 7 in The use of animals in Northern Mesoamerica, between the Classic and the Conquest (200-1521 AD). An attempt at regional synthesis on central Mexico
FIG. 7. — Proportion of animals targeted by hunting (grey), garden-hunting (black) or both methods (white) in each sites.
FIG. 6 in The use of animals in Northern Mesoamerica, between the Classic and the Conquest (200-1521 AD). An attempt at regional synthesis on central Mexico
FIG. 6. — Hierarchical clustering of the: A, taxa; and B, sites analysed in the Canonical Analysis. Abbreviations: Aq., Aquatic animals; Can., Canids; Oth., Miscelanaous taxa; Exo., exotic animals; Ov., white-tailed deer; Art., other artiodactyls; Fel., felids; Sc., small carnivores; Lag., lagomorpha; Com., commensal animals; Tur, turkey; Rap., prey birds; Tiz., Tizayuca; Calix., Calixtlahuaca; Bar-Clas., Barajas Classic/Early Postclassic occupation; Bar-PCR, Barajas Late Postclassic occupation; E.S., El Salitre; Ang., Angamuco.
FIG. 5 in The use of animals in Northern Mesoamerica, between the Classic and the Conquest (200-1521 AD). An attempt at regional synthesis on central Mexico
FIG. 5. — Distribution of CA scores on: A, C1xC2 axes; and B, C1xC3 axes. Taxa bubbles surfaces represent their actual inertia in each plan. Sites and sup- plemental individuals are normalized to 1. Abbreviations: Aq., Aquatic animals; Can., Canids; Com., commensal animals; Ov., white-tailed deer; Tur, turkey.
Figure 3 in Ecological niche differentiation among Aztec fruit-eating bat subspecies (Chiroptera: Phyllostomidae) in Mesoamerica
Figure 3. Niche overlap values for Schoener's D and Hellinger's I compared to a null distribution: (a) Artibeus a. aztecus (yellow) vs. A. a. minor (blue), (b) A. a. aztecus vs.A. A. major (red), (c) A. a. minor vs. A. a. major.
Figure 2 in Ecological niche differentiation among Aztec fruit-eating bat subspecies (Chiroptera: Phyllostomidae) in Mesoamerica
Figure 2. Maxent predicted potential distribution for (a) Artibeus a. aztecus, (b) A. a. minor, and (c) A. a. major.
FIGURE 4. Avicennia germinans. A in Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica
FIGURE 4. Avicennia germinans. A. Habit (composite from photos of living plants). B. Pneumatophore (Schwartz & Nickerson 9119). C. Fertile shoot (Calzada 434, Pipoly 9034, Sousa 3112). D. Inflorescence with flower in profile (Lakela 29824, Sousa 3112). E. Flower, front-view (Lakela 29824, Sousa 3112). F. Stamen (Sousa 3112). G. Gynoecium (Lakela 29824). H. Fruit with detail of surface (Lundell 7009). Drawn by Tom Davis from specimens at CAS.
FIGURE 3. Avicennia spp. A in Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica
FIGURE 3. Avicennia spp. A. Flower of A. germinans in Florida (photo by Bob Peterson, cropped, creative commons license, ). B Flower of A. marina subsp. australasica in Australia (photo by M. Fagg, cropped, source: Australian National Botanic Gardens at ). C. Inflorescence of A. biflora (Sediles 461, CAS). D. Fruits of A. bicolor (top; Barrera 8, CAS), A. germinans showing dehiscence (middle; Ferris 5396, DS), and A. marina subsp. australasica (bottom; Nickerson 6445a from New Zealand, CAS).
FIGURE 2 in Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica
FIGURE 2. Map showing distribution of Avicennia spp. in North America and Mesoamerica. The generalized distribution of A. germinans is shown. The distribution of A. germinans in Cuba and other West Indian islands is not shown.
FIGURE 1 in Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica
FIGURE 1 (left). Pollen of Avicennia spp. A–C. Avicennia bicolor (Sediles 461). A. Interapertural view. B. Apertural view. C. Polar view. D–G. Avicennia germinans (D, Palmer 484; E–G, Salywon 1188). D. Interapertural view. E. Apertural view. F. Polar view. G. Interapertural view. H–K. Avicennia marina subsp. australasica (Moran 28024). H. Interapertural view. I. Apertural view. J. Polar view. K. Apertural view. Scales = 5 µm. Pollen measurements (n = number of grains measured, P = polar diameter, and E = equatorial diameter). Many additional grains from each specimen were examined, but data summarized below were made on a subset of those oriented to permit accurate measurements and photographic documentation. Avicennia bicolor — Sediles 461 (CAS, n = 5): P = 19–22 μm, E = 19–24 μm, P:E = 0.86–0.92. Avicennia germinans — Daniel & Araque 9478 (CAS, n = 2): P = 23 μm, E = 24–25 μm, P:E = 0.92; de Nevers et al. 6554 (CAS, n = 2): P = 25 μm, E = 26–28 μm, P:E = 0.89; Palmer 484 (CAS, n = 1): P = 46 μm, E = 24 μm, P:E = 1.90; Salywon 1188 (CAS, n =4): P = 27–42 μm, E = 24–29 μm, P:E = 0.93–1.75. Avicennia marina subsp. australasica — Moran 28024 (CAS, n = 4): P = 28–41 μm, E = 24–27 μm, P:E = 1.04–1.70.
FIGURE 1 in Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica
FIGURE 1 (left). Pollen of Avicennia spp. A–C. Avicennia bicolor (Sediles 461). A. Interapertural view. B. Apertural view. C. Polar view. D–G. Avicennia germinans (D, Palmer 484; E–G, Salywon 1188). D. Interapertural view. E. Apertural view. F. Polar view. G. Interapertural view. H–K. Avicennia marina subsp. australasica (Moran 28024). H. Interapertural view. I. Apertural view. J. Polar view. K. Apertural view. Scales = 5 µm. Pollen measurements (n = number of grains measured, P = polar diameter, and E = equatorial diameter). Many additional grains from each specimen were examined, but data summarized below were made on a subset of those oriented to permit accurate measurements and photographic documentation.
Linked collectors and determiners for: Twenty-two new species in the genus Hyphantrophaga Townsend (Diptera: Tachinidae) from Area de Conservación Guanacaste, with a key to the species of Mesoamerica.
Natural history specimen data linked to collectors and determiners held within, "Twenty-two new species in the genus Hyphantrophaga Townsend (Diptera: Tachinidae) from Area de Conservación Guanacaste, with a key to the species of Mesoamerica". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/123a9782-f545-4b98-a4dd-dfaa6141caba">https://bionomia.net/dataset/123a9782-f545-4b98-a4dd-dfaa6141caba</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/123a9782-f545-4b98-a4dd-dfaa6141caba">https://gbif.org/dataset/123a9782-f545-4b98-a4dd-dfaa6141caba</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: A new species of Oiovelia (Heteroptera: Gerromorpha: Veliidae) from Mesoamerica, with an identification key to the genus.
Natural history specimen data linked to collectors and determiners held within, "A new species of Oiovelia (Heteroptera: Gerromorpha: Veliidae) from Mesoamerica, with an identification key to the genus". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/e6f1911d-a3aa-47e6-990f-5014cd1cb1c2">https://bionomia.net/dataset/e6f1911d-a3aa-47e6-990f-5014cd1cb1c2</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/e6f1911d-a3aa-47e6-990f-5014cd1cb1c2">https://gbif.org/dataset/e6f1911d-a3aa-47e6-990f-5014cd1cb1c2</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: First record of the genus Venanus (Hymenoptera: Braconidae: Microgastrinae) in Mesoamerica, with the description of two new species from Costa Rica.
Natural history specimen data linked to collectors and determiners held within, "First record of the genus Venanus (Hymenoptera: Braconidae: Microgastrinae) in Mesoamerica, with the description of two new species from Costa Rica". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/54bcd51c-1807-4ea9-9d73-4c04019a8282">https://bionomia.net/dataset/54bcd51c-1807-4ea9-9d73-4c04019a8282</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/54bcd51c-1807-4ea9-9d73-4c04019a8282">https://gbif.org/dataset/54bcd51c-1807-4ea9-9d73-4c04019a8282</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica.
Natural history specimen data linked to collectors and determiners held within, "Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/a4ae09f2-c3cd-43ae-bc2c-24e44f3ac261">https://bionomia.net/dataset/a4ae09f2-c3cd-43ae-bc2c-24e44f3ac261</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/a4ae09f2-c3cd-43ae-bc2c-24e44f3ac261">https://gbif.org/dataset/a4ae09f2-c3cd-43ae-bc2c-24e44f3ac261</a>. Formatted as a Frictionless Data package.
Figs. 39–40. Oedichirus species. Distribution. 39. Mesoamerica and the Caribbean. 40 in Revision Of The New World Species Of Oedichirus (Coleoptera: Staphylinidae: Paederinae: Pinophilini: Procirrina)
Figs. 39–40. Oedichirus species. Distribution. 39. Mesoamerica and the Caribbean. 40. South America. (Species described prior to present work preceded with *. Symbols ³ or ♀ signify species known only by the sex indicated. Open circle denotes multiple collecting sites.)
FIG. 3 in A biotic survey and inventory of the dynastine scarab beetles of Mesoamerica, North America, and the West Indies: review of a long-term, multicountry project
FIG. 3. — Map of the study area showing the phases (I-IV) of the dynastine biotic inventory project.
FIG. 1 in A biotic survey and inventory of the dynastine scarab beetles of Mesoamerica, North America, and the West Indies: review of a long-term, multicountry project
FIG. 1. — Brett Ratcliffe and Renaud Paulian in Bordeaux, France, 13 May 2001. Photo: M. L. Jameson.
Fig. 13 in Revision of the species of the genus Cathorops (Siluriformes: Ariidae) from Mesoamerica and the Central American Caribbean, with description of three new species
Fig. 13. Cathorops higuchii, holotype, USNM 79363, 129.0 mm SL (head in dorsal view). Panama, Colón Reef.
Fig. 8 in Revision of the species of the genus Cathorops (Siluriformes: Ariidae) from Mesoamerica and the Central American Caribbean, with description of three new species
Fig. 8. Cathorops belizensis, holotype, USNM 286399, 175.0 mm SL (head in dorsal view). Belize, Belize City, mangrove swamps St. John´s college.
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OpenNeuro
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