Felipe Trejo results 18
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Active Fire Dynamics in VenezuelaNARA Subscribed
Tropical forest succession increases tree taxonomic and functional richness but decreases evennessNARA Subscribed
Aim Successional changes in functional diversity provide insights into community assembly by indicating how species are filtered into local communities based on their traits. Here, we assess successional changes in taxonomic and functional richness, evenness and redundancy along gradients of climate, soil pH and forest cover. Location Neotropics. Time period Last 0–100 years. Major taxa studied Trees. Methods We used 22 forest...
We examined the reproductive behavior (courtship and mating), seasonality and its distribution in three Mobula species, spinetail, bentfin, and Munk’s devil rays ( M. mobular, M. thurstoni, and M. munkiana ) in the southwestern Gulf of California, Mexico, using boat surveys (with drone and in-water observations) ( n = 69 survey days), spotter planes ( n = 428 flights), and citizen science observations ( n = 31). We examined wh...
Manta and devil rays (mobulids) are filter feeding elasmobranchs with extreme K-selective life histories found circumglobally from temperate to tropical waters. Their vulnerability to fisheries exploitation, bycatch, boat collisions, entanglement and unregulated tourism is exacerbated by their aggregative behavior. Studies have identified aggregation sites around the world for all nine mobulid species, with these groupings var...
Isotopic ( δ 15 N ) relationship of pregnant females and their embryos: Comparing placental and yolk‐sac viviparous elasmobranchsNARA Subscribed
Nitrogen stable isotopes ratios (δ 15 N) were determined for selected tissues (muscle, liver, blood and yolk) of pregnant females and their embryos of a placental viviparous species, the Pacific sharpnose shark ( Rhizoprionodon longurio ), and a yolk‐sac viviparous species, the speckled guitarfish ( Pseudobatos glaucostigmus) . The R. longurio embryo tissues were 15 N enriched compared to the same tissues in the pregnant femal...
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