Jorge Iván Merchán Mayorga- Biologist
- Student at University of Magdalena
Jorge Iván Merchán Mayorga
- Biologist
- Student at University of Magdalena
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Introduction
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Publications (3)
Background
Polyclads are a diverse group of marine free-living flatworms, with some species adapted to life in floating Sargassum mats. Recent studies suggest that, rather than being inherently pelagic, these flatworms should be classified as "clinging fauna", as they rely on floating substrates for habitat.
New information
This study documents, f...
El filo Nemertea y el orden Polycladida, son gusanos marinos comunes en los litorales rocosos y son de interés científico en toxicología, biomedicina, regeneración, evolución y biología del desarrollo. A pesar de su relevancia, estos organismos han sido poco estudiados no solo en Colombia sino a nivel mundial. En Colombia existen aproximadamente 25...
This entry is a continuation of the INFOZOA Boletín de Zoología, a scicomm initiative from MIKU research group. Vol. 13 gives a little insight about what are nemertines, why they matter and what have been done in Colombian coasts. Additionally, the reader can find how parasitic nemertines are related to fisheries with some known examples of host-pa...
Questions
Questions (2)
I work with both a SteREO and optical microscopes from ZEISS and two microscope cameras from the same brand. We photograph mostly inverts alive (some anesthetized) and fixed, however I found the ZEISS software to be rather slow and insufficient to capture images of them. Is there any alternative intuitive that will recognize ZEISS cameras? If not, is there any recommended config for the software?
Hello,
I'm planning a research project for my undergrad where I'll be IDing two invertebrate groups in the rocky shore. To estimate diversity I'll sample a 10 x 4 m quadrant for ~1hr on each locality, registering all species and their abundances (to calculate true diversity).
The papers done before didn't calculated biodiversity indexes, but did recorded abundances apart from species. However, in one methodology didn't involved quadrants nor mention the amount of time spent, the other sampled in 10 x 4 quadrants and assessed abundances but don't actually tell about time spent in searches.
Can I compare somehow the diversity between this two articles and what I'll found? or I can only talk about how the composition in the sites changed (if I found some change)
