Results 1 to 10 of about 20,368 (214)

The promising role of natural products in Alzheimer's disease

open access: yesBrain Disorders, 2022
Experimental studies support the discussion of the use of bioactive products of natural products as novel antioxidants sources of neuroprotection against neurodegeneration. Natural antioxidants, such as polyphenols, vitamins, Ginkgo biloba, curcumin, and
Michelle Melgarejo da Rosa   +6 more
doaj   +1 more source

Lizards (Reptilia: Squamata) from the Caatinga, northeastern Brazil: Detailed and updated overview [PDF]

open access: yesVertebrate Zoology, 2022
The Caatinga is the largest seasonal dry tropical forest in South America and it has been historically neglected in terms of its biodiversity. Regarding lizards, different studies led to the current knowledge of diversity and endemism in Caatinga, but ...
Lucas Rafael Uchôa   +5 more
doaj   +3 more sources

New record of Leopardus pardalis (Linnaeus, 1758) (Carnivora: Felidae) in the Caatinga of the state of Pernambuco, northeastern Brazil [PDF]

open access: yesCheck List, 2013
The ocelot (Leopardus pardalis) has a wide geographic distribution. However, in Brazil, there is still a lack of information on their population status and, in the Caatinga, little is known about its occurrence.
Nicholas Kaminski   +5 more
doaj   +3 more sources

Range extension, new state record and geographic distribution map of Acratosaura mentalis (Amaral, 1933) (Squamata: Gymnophthalmidae) [PDF]

open access: yesCheck List, 2012
We provide new records of Acratosaura mentalis from three localities in the state of Pernambuco, Brazil, these records extending the known geographical distribution of the species to the municipalities of Sertânia, Custódia and Floresta. We also report A.
Michelle Brito   +4 more
doaj   +3 more sources

Butterflies (Lepidoptera: Papilionoidea) of the Restinga de Cabedelo National Forest, Paraíba State, Brazil

open access: yesEntomoBrasilis, 2021
Restinga forests are plant formations that occur on plains of quaternary sandy deposits along the Brazilian coast. Despite historical reduction of the Restinga forests, little effort has been made to know the butterfly fauna of these areas. This paper is
Adalberto Medeiros   +3 more
doaj   +1 more source

How much of the Caatinga is legally protected? An analysis of temporal and geographical coverage of protected areas in the Brazilian semiarid region

open access: yesActa Botânica Brasílica, 2021
Tropical dry forests are among the most threatened vegetation types in the world, exposed to even higher deforestation rates than rainforests. The largest tropical dry forest is the Caatinga, in the semiarid Northeast region of Brazil.
Lucas Peixoto Teixeira   +3 more
doaj   +1 more source

Espécies exóticas invasoras em unidades de conservação federais do Brasil

open access: yesBiodiversidade Brasileira, 2014
Invasões biológicas estão entre as principais causas de perda de biodiversidade. Mesmo áreas protegidas têm sofrido sérias consequências das invasões biológicas, como a alteração da composição de espécies e dos processos ecossistêmicos, e em casos ...
Alexandre Bonesso Sampaio   +1 more
doaj   +3 more sources

Corroboration of and additional records of Xiphocolaptes falcirostris (Spix, 1824) (Passeriformes, Dendrocolaptidae) in northeastern Brazil [PDF]

open access: yesCheck List
Xiphocolaptes falcirostris (Spix, 1824) is a broadly distributed bird species in the Caatinga biome; however, its populations are fragmented and restricted to well-preserved dry forests.
Paulo de Tarso Sambugaro Santos   +3 more
doaj   +3 more sources

Primeiro registro de leucismo no cachorro-do-mato Cerdocyon thous (Linnaeus, 1766) (Carnivora: Canidae) no Brasil

open access: yesBiotemas, 2019
Variações polimórficas podem atuar nas alterações cromáticas, que, em excesso, causam a hiperpigmentação (indivíduos melânicos), e quando deficientes são responsáveis pela hipopigmentação (indivíduos albinos, leucísticos ou com piebaldismo) e podem ...
Leandro da Silva Oliveira   +3 more
doaj   +1 more source

Multitemporal Spatial Analysis of Land Use and Land Cover Changes in the Lower Jaguaribe Hydrographic Sub-Basin, Ceará, Northeast Brazil

open access: yesLand, 2022
Aquaculture is currently one of the fastest growing food production systems globally, and shrimp is considered one of the most highly valued products.
Samuel Gameiro   +4 more
doaj   +1 more source

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