Results 121 to 130 of about 391,158 (311)

Argentine anchovy (Engraulis anchoita) stock identification and incipient exploitation in southern Brazil

open access: yesLatin American Journal of Aquatic Research, 2013
The Argentine anchovy (Engraulis anchoita) is an essential species in the pelagic ecosystem of the southwest Atlantic Ocean, and a potentially important fishery resource.
Felipe M Carvalho, Jorge P Castello
doaj  

Creating a Regional Security Community in Southern Latin America: The Institutionalisation of the Regional Defence and Security Policies [PDF]

open access: yes
Interdependence, collective identities and common institutions are the preconditions for the evolution of a pluralistic security community. While the interaction of the states of Southern Latin America already meets the first two criteria, this article ...
Daniel Flemes
core  

Risk factors for visceral leishmaniasis in a new epidemic site in Amhara Region, Ethiopia [PDF]

open access: yes, 2009
We conducted a case-control study to evaluate risk factors for visceral leishmaniasis during an epidemic in a previously unaffected district of Ethiopia. We also collected blood and bone marrow specimens from dogs in the outbreak villages.
Alvar, Jorge   +11 more
core   +1 more source

Check list of ground-dwelling ant diversity (Hymenoptera: Formicidae) of the Iguazú National Park with a comparison at regional scale [PDF]

open access: yes, 2015
We describe the ant fauna of Iguazú National Park (INP), a region of high biodiversity andendemism in northeastern Argentina that includes the southernmost protected area ofthe Atlantic Forest (AF).
Achury, R.   +6 more
core   +2 more sources

The skeleton of the green Iguana iguana (Squamata: Iguanidae) and its intraspecific morphological variation

open access: yesThe Anatomical Record, EarlyView.
Abstract The green iguana (Iguana iguana) is an iguanine lizard with herbivorous and arboreal habits, whose distribution spans through South America, Central America to the south of North America. Although the genus Iguana is well‐known, the species still lacks a comprehensive and up‐to‐date anatomical study, particularly addressing the axial skeleton,
Vieno Rosa   +2 more
wiley   +1 more source

Growth dynamics, skeletochronology, and histovariability of the theropod dinosaur Berthasaura leopoldinae

open access: yesThe Anatomical Record, EarlyView.
Osteohistological sampling on different bones of theropod dinosaur documents discrepant age record, growth, and metabolism. This could result unprecise paleobiological inferences if samplings are based on single bones. However, multi‐bone sampling can attenuate these discrepancies, helping to infer growth dynamics and physiology of these extinct ...
Geovane Alves de Souza   +3 more
wiley   +1 more source

No. 01: Hungry Cities of the Global South [PDF]

open access: yes, 2016
The recent inclusion of an urban Sustainable Development Goal in the Post-2015 UN Development Agenda represents an important acknowledgement of the reality of global urbanization and the many social, economic, infrastructural and political challenges ...
Crush, Jonathan
core   +1 more source

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

Nyssomyia intermedia (Lutz & Neiva, 1912) and Nyssomyia neivai (Pinto, 1926) (Diptera: Psychodidae: Phlebotominae) geographical distribution and epidemiological importance

open access: yesMemorias do Instituto Oswaldo Cruz, 2007
Nyssomyia intermedia (Lutz & Neiva 1912) and N. neivai (Pinto 1926) are possible vectors of tegumentary leishmaniasis in some regions of Brazil. Further, the latter was until recently, considered a junior synonym of the former. This study has the purpose
José Dilermando Andrade Filho   +2 more
doaj  

Occurrence of Cabassous tatouay (Cingulata, Dasypodidae) in Rio Grande do Sul and its potential distribution in southern Brazil

open access: yesIheringia: Série Zoologia, 2015
Cabossous tatouay Desmarest, 1804 is considered a rare species in southern South America, and Rio Grande do Sul State, Brazil, records of the species are scarce and inaccurate. This study reports 40 localities for C.
Stefan V. de Oliveira   +6 more
doaj   +1 more source

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