astronomy

Gilberto Rodríguez (zoologist)

Gilberto Rodríguez (zoologist) is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Gilberto Rodríguez (zoologist) rather than just read about it. In short: Gilberto Domingo Rodríguez Ramírez (12 May 1929 – 16 May 2004) was a Venezuelan carcinologist. Rodríguez is considered one of the contemporary figures of Venezuelan natural sciences who most contributed to their development in the country.

Key takeaways

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Learn the definition first, then one example that makes the definition concrete.
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Reference excerpt

Gilberto Domingo Rodríguez Ramírez (12 May 1929 – 16 May 2004) was a Venezuelan carcinologist. Rodríguez is considered one of the contemporary figures of Venezuelan natural sciences who most contributed to their development in the country. His studies on the ecology of estuaries are recognized as worldwide references. Likewise, his carcinological studies on the family Pseudothelphusidae earned him recognition as an international researcher.

Biography He attended primary school at Colegio la Salle in Caracas and graduated from Liceo Andrés Bello. In 1955, he obtained a degree in Sciences from the Central University of Venezuela. While studying at the Central University of Venezuela, in 1954 he published his first works in Acta Biologica Venezuelica and Boletín de la Sociedad Venezolana de Ciencias Naturales, both focused on the genus Heliconia. He continued with several works on Myxomycetes. Venezuelan scientists later acknowledged his impact. After graduation, he pursued a master's in marine biology at the University of Miami (1955–1958). During his studies, he trained at the Marine Biological Association Laboratory in Plymouth, at the Scottish Marine Station in Millport, and at the University of Copenhagen in Denmark. He served as lead scientist of the South Pacific Expedition in Chile. In 1958, he presented his master's thesis, published in 1959 as “The marine communities of Margarita Island, Venezuela”, which is considered the first modern ecological study in Venezuela. In 1959, back in Venezuela, Rodríguez participated in founding the "Instituto Oceanográfico" of the Universidad de Oriente in Cumaná, serving as deputy director. In 1960 he returned to Caracas to work at the Venezuelan Institute for Scientific Research (IVIC), where in 1963 he founded the Department of Hydrobiology. This group studied the Lake Maracaibo ecosystem, producing fundamental publications. In 1964 he was guest at the National Autonomous University of Mexico, where he studied freshwater crabs and described a new species (Rodriguezia villalobosi). In 1967 he presented at the International Symposium on Coastal Lagoons with his work on zooplankton in the Maracaibo estuary. In 1968 he pursued a PhD at the University of Wales, completing his dissertation “Behavioural rhythms in littoral prawns” in 1970. He returned to IVIC and transformed the Hydrobiology Department into the Center for Ecology, recruiting leading Venezuelan ecologists such as Carlos Schubert, Ernesto Medina and Jorge Rabinovich. Rodríguez also taught at the Universidad de Oriente and at the Central University of Venezuela, where he founded the chair of Marine Biology (1959–1978). He also taught ecology at the IVIC postgraduate program. Rodríguez died in Caracas on 16 May 2004 at age 75. He is remembered for his many scientific contributions.

Carcinology

Rodríguez made major contributions both to the ecology of estuaries and to carcinology. His first studies were on Venezuelan marine decapods, culminating in the 1980 book Los crustáceos decápodos de Venezuela. He described nine new genera and 82 new species of freshwater crabs and shrimps, clarified their taxonomy and biogeography, and revealed the existence of pseudolungs in freshwater crabs together with Dr. Humberto Díaz. His monographs on Pseudothelphusidae and Trichodactylidae are considered fundamental. At IVIC he established a world-class reference collection of decapods, particularly freshwater crabs. He also served on editorial boards, including:

Permanent member of the editorial board of Crustaceana (Leiden, Netherlands) Governor for South America of The Crustacean Society of Washington Member of the editorial boards of Acta Biologica Venezuelica, Acta Científica Venezolana, Amazoniana, Journal of Crustacean Biology, Journal of Natural History, Revista de Biología Tropical, among others.

Honors and recognition

Eponyms The Venezuelan carcinologist Guido Pereira dedicated a shrimp species of the family Palaemonidae to him: Macrobrachium rodriguezi. The German carcinologist Pretzmann also named a freshwater crab Microthelphusa rodriguezi in his honor.

Other activities Beyond academia, Rodríguez held several positions:

Member, National Agricultural Research Council (1968–1969) Representative of the Ministry of Education to the University of Oriente Board (1970–1971) Venezuelan delegate to the UN Conference on the Law of the Sea (1971–1979) Advisor at the Venezuelan Institute of Petroleum Technology (INTEVEP) (1991–1995) Member of the restructuring commission of IVIC (1998) Coordinator, PDVSA commission on the restoration of Lake Maracaibo (1998)

Species described by Gilberto Rodríguez

Botanical species Heliconia schaeferiana Rodríguez, 1954 Heliconia aurea Rodríguez, 1954 Heliconia nana Rodríguez, 1954

Zoological species

Family Palaemonidae Macrobrachium aracamuni Rodríguez, 1982 Macrobrachium cortezi Rodríguez, 1982

Family Trichodactylidae Dilocarcinus bulbifer Rodríguez, 1992 Dilocarcinus medemi Smalley & Rodríguez, 1972 Dilocarcinus truncatus Rodríguez, 1992 Rodriguezia villalobosi Rodríguez & Manrique, 1967 Trichodactylus kensleyi Rodríguez, 1992

… excerpt ends here. Continue reading the full article.

Illustrations

Gilberto Rodríguez (zoologist) illustration

Worked examples

Example 1 — a first encounter with Gilberto Rodríguez (zoologist)

Start with the simplest possible case. Write down what Gilberto Rodríguez (zoologist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Gilberto Rodríguez (zoologist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Gilberto Rodríguez (zoologist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Gilberto Rodríguez (zoologist)

In research: Gilberto Rodríguez (zoologist) appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Gilberto Rodríguez (zoologist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Gilberto Rodríguez (zoologist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1929 births, 2004 deaths, Academic staff of the Universidad de Oriente, so understanding it makes those chapters shorter.
In everyday life: Look for Gilberto Rodríguez (zoologist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Gilberto Rodríguez (zoologist) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Gilberto Rodríguez (zoologist) means in your own words.
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Work through the three examples above with pen and paper.
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Frequently asked questions

What is Gilberto Rodríguez (zoologist) in simple terms?

Why does Gilberto Rodríguez (zoologist) matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Gilberto Rodríguez (zoologist)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Gilberto Rodríguez (zoologist).