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513 results for “southern Mexico”
FIGURE 8 in Late Jurassic marine vertebrates from Tlaxiaco, Oaxaca State, southern Mexico
FIGURE 8. Jurassic remains of Ginglymondi fishes from localities near Tlaxiaco. 1-4, Scheenstia sp., specimen IGM 9320 from Tithonian strata of La Lobera, including a group of disarticulated scales (1), isolated scale (2), and a possible fragment of a vomer with teeth (in ventral view and lateral view, 3 and 4, respectively). 5, isolated scale of an undetermined Lepisosteiform described here as Morphotype 1, specimen IGM 9321 from Kimmeridgian strata of Yosobé. 6-7, scales of both sides of the body of an undetermined Lepisosteiform described here as Morphotype 2, specimen IGM 9322 from Kimmeridgian strata of Yosobé. Abbreviations: adp, anterior dorsal process; avp, anterior ventral process; dp, dorsal process; arrows indicate the anterior edge of the scales.
FIGURE 7 in Late Jurassic marine vertebrates from Tlaxiaco, Oaxaca State, southern Mexico
FIGURE 7. Gyrodus sp., specimen IGM 9318 from Yosobé. 1, general view. 2, close up of possible vomerine teeth. Abbreviations: dsoc, dermosupraoccipital; fr, frontal; hm, hyomandibular; op, opercle; pa, parietal; pop, preopercle; s, scale; sc, sclerotic.
Linked collectors and determiners for: Duocrassana longula, new genus and species of leafhopper (Hemiptera: Cicadellidae: Deltocephalinae) from southern Mexico and its relationship to other genera in Athysanini.
Natural history specimen data linked to collectors and determiners held within, "Duocrassana longula, new genus and species of leafhopper (Hemiptera: Cicadellidae: Deltocephalinae) from southern Mexico and its relationship to other genera in Athysanini". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/3885c9f8-b12a-4ac0-bc46-d140b21910bc">https://bionomia.net/dataset/3885c9f8-b12a-4ac0-bc46-d140b21910bc</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/3885c9f8-b12a-4ac0-bc46-d140b21910bc">https://gbif.org/dataset/3885c9f8-b12a-4ac0-bc46-d140b21910bc</a>. Formatted as a Frictionless Data package.
Fig. 19. Habitats near the southern transect, W in Hybridization Among Western Whiptail Lizards (Cnemidophorus Tigris) In Southwestern New Mexico: Population Genetics, Morphology, And Ecology In Three Contact Zones
Fig. 19. Habitats near the southern transect, W of Cotton City (tables 2, 3; figs. 3, 5; appendix 1), 22 August 1990. Top. Site 41, Crystal Mine, looking W from NM Hwy 80, at 13.7 km (by road) S of Road Forks. Bottom. Looking SE from the same place as the top photograph; Table Top Mountain (site 47) is the low butte in the distant right.
Streamflow and rain event data from the Tromble experimental watershed weir in the Jornada Basin, southern New Mexico USA, during 2 periods: 1977-1985 and 2003-2011
This data package contains long-term hydrologic event data collected in the Tromble experimental watershed in the Jornada Basin of southern New Mexico, USA. Streamflow and precipitation data were collected at an instrumented flume below a 4.7 hectare shrub-dominated catchment during two periods: 1977-1985 and 2003-2011. This dataset was assembled to evaluate the effects of changes in rainfall on runoff in this Chihuahauan desert watershed. Four data files are available here, including event precipitation totals and sub-hourly runoff details for hydrologic events during both time periods. Variables measured include event precipitation, stage heights at the flume, and calculated discharge rates. This study is complete. For further information, refer to: Turnbull, L., A. J. Parsons, J. Wainwright, and J. P. Anderson. "Runoff responses to long-term rainfall variability in a shrub-dominated catchment." Journal of arid environments 91 (2013): 88-94.
Leptuca speciosa heatwave event in May of 2022, southern Gulf of Mexico
<p>We assess the tolerance and behavioral responses of a mangrove fiddler crab during a heatwave event in May of 2022, in a disturbed mangrove in the coastal lagoon of the southwestern Yucatán Peninsula.</p>
Differential utilization of surface and arboreal water bodies by birds and mammals in a seasonally dry Neotropical forest in southern Mexico
<p>Water availability significantly influences bird and mammal ecology in terrestrial ecosystems. However, our understanding of the role of water as a limiting resource for birds and mammals remains partial because most of the studies have focused on surface water bodies of desert and semi-desert ecosystems. This study assessed the use of two types of surface water bodies (waterholes and epikarst rock pools) and one arboreal (water-filled tree holes) by birds and mammals in the seasonally dry tropical forests of the Calakmul Biosphere Reserve in southern Mexico. We deployed camera traps in 23 waterholes, 22 rock pools, and 19 water-filled tree holes in this karstic region to record visits by small, medium, and large-bodied birds and mammals during the dry and rainy seasons. These cameras were set up to record videos documenting when animals were making use of water for drinking, bathing, or both. We compared the species diversity and composition of bird and mammal assemblages using the different types of water bodies by calculating Hill numbers and conducting non-metric multidimensional scaling (NMDS), indicator species, and contingency table analyses. There was a greater species richness of birds and mammals using surface water bodies than tree holes during both seasons. There were significant differences in species composition among bird assemblages using the different water bodies, but dominant species and diversity remained the same. Terrestrial and larger mammalian species preferentially used surface water bodies whereas arboreal and scansorial small and medium mammals were more common in arboreal water bodies. These findings suggest that differences in water body characteristics might favor segregation in mammal activity. The different water bodies may act as alternative water sources for birds and complementary sources for mammals, potentially favoring species coexistence and increasing community resilience to environmental variation (e.g., fluctuation in water availability). Understanding how differences in water bodies favor species coexistence and community resilience is of great relevance from a basic ecological perspective but is also crucial for anticipating the effects that the increased demand for water by humans and climate change can have on wildlife viability.</p>
Status of World Soil Resources - Southern Mexico, Central America and the Caribbean
<h1>Status of World Soil Resource - Southern Mexico, Central America and the Caribbean</h1> <h2>Supplementary dataset of the chapter published by FAO</h2> <h3>Authors:</h3> <p>- Luis Felipe Castelblanco Rivera, master student in Earth Science at Geosciences Center, UNAM.</p> <p>- Mario Antonio Guevara Santamaría, associate professor at Geosciences Center, UNAM campus Juriquilla </p> <h3>.</h3> <h3>More information:</h3> <p>- lcastelblancor@geociencias.unam.mx / lfcastelblancor@unal.edu.co</p> <p>- mguevara@geociencias.unam.mx / mguevara@comunidad.unam.mx</p> <h3>Abstract:</h3> <p>This chapter thoroughly examines soil threats and trends in Southern Mexico*, Central America, and the Caribbean, emphasizing their implications for sustainable land management. Through a comprehensive analysis of available data and literature, the study identifies erosion patterns, soil carbon changes, soil biodiversity indicators, nutrient mismanagement, salinization, sodification, and soil moisture decline as prominent concerns. Erosion is a significant issue, exacerbated by bare soil conditions, coastal erosion due to rising sea levels, and wind erosion influenced by land use and vegetation cover. Soil carbon changes exhibit both sequestration and loss patterns, particularly impacting agricultural soils, while soil biodiversity's role in nutrient cycling underscores the need for enhanced preservation efforts. Nutrient mismanagement, exemplified by fertilizer consumption trends and efficiency, underscores the importance of informed decision-making in optimizing soil fertility. In response to human activities, soil salinization and sodification significantly threaten agricultural sustainability, particularly across coastal areas. Soil moisture decline, linked to land use intensification and extreme climate events, further exacerbates soil degradation risks. The chapter concludes by advocating for comprehensive soil monitoring and management strategies to address these threats, which are crucial for safeguarding soil health, preserving ecosystem services, and ensuring long-term food security in the region.</p> <p>*We refer to the Southern Mexico to the geographical area occupied by the states: Quintana Roo, Tabasco, Veracruz, Yucatán, Oaxaca, Puebla, Guerrero, Chiapas and Campeche within the following minimum and maximum coordinates: 14.53 to 22.47 Lat, -102.18 to -86.71 Long</p> <h3>Folder description:</h3> <p>> SoWSR_SMx_CA_Crb.7z<br> > extent<br> - Extent_AOI_Union.shp #Country boundaries<br> - Modis_CLC.shp #Corine Land Cover from MODIS<br> - WRBpol.shp #Most probable soil type using WRB classification<br> - Extent_level3.shp #Intersection of previous Shapes<br> > level3 #This folder contains the data frame results of calculating zonal statistics from the rasters.<br> - Bare_1km_km2_ZonalStats.csv <br> - CIC_0-30cm_ZonalStats.csv <br> - CN_ratio_SoilGrids_null_ZonalStats.csv <br> - GSOCmap1.5.0_ZonalStats.csv <br> - GSOCseq_absolute_ZonalStats.csv <br> - GSOCseq_RSR_SSM1_Map030_ZonalStats.csv<br> - level3_merged.csv<br> - N_0-30cm_ZonalStats.csv<br> - Rs_slope_sig_negative_ZonalStats.csv<br> - Rs_slope_sig_positive_ZonalStats.csv<br> - Salinidad_problema_ZonalStats.csv<br> - SM_slope_negative_ZonalStats.csv<br> - SM_slope_positive1_ZonalStats.csv<br> - SOC_slope_negative_ZonalStats.csv<br> - SOC_slope_positive1_ZonalStats.csv<br> - SOCDensity_0_30cm_ZonalStats.csv<br> > rasters<br> - Bare_1km_km2.tif #Bare soil percent per square kilometer<br> - CIC_0-30cm.tif #Cation exchange capacity in mmolc/kg<br> - CN_ratio_SoilGrids_null #Carbon:Nitrogen ratio from the report of SoilGrids<br> - GSOCmap1.5.0.tif #Stock of global soil carbon reported by FAO <br> - GSOCseq_absolute.tif #Product of the difference between initial stock of GSOCmap and Final Stock SSM1 from FAO <br> - GSOCseq_RSR_SSM1_Map030.tif #Relative Sequestration Rates SSM1 from FAO<br> - N_0-30cm #Soil nitrogen content in cg/kg<br> - Rs_slope_sig_negative.tif #Heterotrofic respiration negative trend<br> - Rs_slope_sig_positive.tif #Heterotrofic respiration positive trend<br> - Salinidad_problema.tif #Areas with salinity (>3 ds/m) from https://doi.org/10.1016/j.rse.2019.111260<br> - SM_slope_negative.tif #Soil moisture negative trend from https://doi.org/10.5194/essd-14-4473-2022<br> - SM_slope_positive1.tif #Soil moisture positive trend from https://doi.org/10.5194/essd-14-4473-2022<br> - SOC_slope_negative.tif #Soil organic carbon negative trend from https://doi.org/10.5067/3K9F0S1Q5J2U<br> - SOC_slope_positive1.tif #Soil organic carbon positive trend from https://doi.org/10.5067/3K9F0S1Q5J2U</p> <p> >Heterotrophic_respiration_info<br> - XY_PRACTICAS.csv: Coordinates of places where sustainable soil management exists thanks to FAO-ITPS 2020. Protocol for the assessment of Sustainable Soil Management. Rome, FAO<br> - Rs_DESCRIP.pdf Supplementary Information SI1. Description of Rs database. </p> <p> - DB_final.xlsx #Data base with the information extract from de raster to build the quantitative data presented in the chapter<br> - ZonalStat_for_prl.py #Python script to process the zonal statictis of the rasters using the extent (Shapes) to obtain the data frames (CSV) in folder level3.</p>
Supplementary material for paper "Contribution of the wind and Loop Current Eddies to the circulation in the southern Gulf of Mexico" submitted to journal of Ocean Dynamics
<p>Movie including the time evolution of the daily SSH and surface velocity vector fields in the BoC, the meridional velocity in the CG zonal section, meridional velocity in the 22°N zonal section, the vq sections at 22°N, the time series of PVF2 and CPFV2 and the time series of daily transport through the CG western arm.</p>
Long-term dataset of stable isotopes in rainfall at the North American monsoon region in southern Sonora, Mexico
<p>This is an original data set where rainwater samples were collected with a rain bucked prepared to avoid isotopic fractionation following the indication from the International Atomic Energy Agency (IAEA). We use a rainfall collector containing mineral oil, and samples from the collector were extracted within a maximum of 24 hours from the rain event and sometimes soon after precipitation ceased. Isotope analyses were carried with laser spectroscopy using working standards calibrated against the accepted Vienna Standard Meteoric Oceanic Water (VSMOW) for international reference and comparison. We analyzed the isotopic composition of 138 rain samples collected a permanent location with the aid of a rain bucket containing mineral oil. Samples were collected soon after every rainfall event between July 2014 and December 2021. Rainfall was collected at one permanent location at a residential area in Ciudad Obregon, Sonora Mexico within the Cajeme municipality (27.511850, -109.956316) in the transition zone between the urban and agricultural area in the northeastern edge of the city.</p>
Figure 2 in Polychaete diversity in the estuarine habitats of Términos Lagoon, southern Gulf of Mexico
Figure 2. Number of species by family at each habitat in Términos Lagoon.
Figure 1 in Polychaete diversity in the estuarine habitats of Términos Lagoon, southern Gulf of Mexico
Figure 1. Location and distribution of habitats in Términos Lagoon, southern Gulf of México.
Electronic Supplement to Structural configuration of the Otates fault (southern Basin-and-Range Province) and its rupture in the 3 May 1887 MW = 7.5 Sonora, Mexico earthquake
<p>Electronic supplement to "Structural configuration of the Otates fault (southern Basin-and-Range Province) and its rupture in the 3 May 1887 MW = 7.5 Sonora, Mexico earthquake" (Seismological Society of America Bulletin, v. 98, no. 6, p. 2879-2893, 2008) with color-coded elevation model, satellite image of major Basin andRange normal faults in the study area, color version of geologic map, and additional photographs.</p> <p>High-resolution files of these figures are also available without restriction from </p> <p>http://www.seismosoc.org/Publications/BSSA_html/bssa_98-6/2008129-esupp/</p>
Vertical assemblage of the holoplanktonic mollusks (Pteropoda and Pterotracheoidea) in the Campeche Canyon, southern Gulf of Mexico, during a "Nortes" season
<p>Data: Vertical assemblage of the holoplanktonic mollusks (Pteropoda and<br>Pterotracheoidea) in the Campeche Canyon, southern Gulf of Mexico,<br>during a “Nortes” season</p>
Differential utilization of surface and arboreal water bodies by birds and mammals in a seasonally dry Neotropical forest in southern Mexico
Open the record for dataset details and reuse information.
Data of cell size, cell carbon content, and biomass of dinoflagellates and diatoms in the oceanic ecosystem of the Southern Gulf of Mexico
Open the record for dataset details and reuse information.
Jornada Basin LTER/Jornada Experimental Range site, station New Mexico Division 8, Southern Desert, study of Palmer Drought Severity Index in units of dimensionless on a monthly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Jornada Basin LTER/Jornada Experimental Range (JRN) contains Palmer Drought Severity Index measurements in dimensionless units and were aggregated to a monthly timescale.
Jornada Basin LTER/Jornada Experimental Range site, station New Mexico Division 8, Southern Desert, study of Palmer Drought Severity Index in units of dimensionless on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Jornada Basin LTER/Jornada Experimental Range (JRN) contains Palmer Drought Severity Index measurements in dimensionless units and were aggregated to a yearly timescale.
Figure 3 in Planktonic copepod community of a reef zone in the southern Gulf of Mexico
Figure 3. Canonical Correlation Analysis (CCA) between abundance of copepod species and their relation to temperature (T) and salinity (S). Species abbreviations are Table 2.
Figure 1 in Planktonic copepod community of a reef zone in the southern Gulf of Mexico
Figure 1. Location of the study area transects and sampling stations in the PNSAV. Clr, Coastline region; NCz, North Central zone; Crr, Central region reef; Nz, North zone; Orr, Outer region reef; SCz, South Central zone; Sz, South zone.
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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.