Results 41 to 50 of about 1,461 (199)

Seed dispersal by macaws shapes the landscape of an Amazonian ecosystem [PDF]

open access: yes, 2017
Seed dispersal is one of the most studied plant–animal mutualisms. It has been proposed that the dispersal of many large-seeded plants from Neotropical forests was primarily conducted by extinct megafauna, and currently by livestock.
Baños-Villalba, Adrián   +5 more
core   +2 more sources

Phylogeny and historical biogeography of the Pachira sensu lato clade (Bombacoideae, Malvaceae) with a new infrageneric classification

open access: yesTAXON, Volume 75, Issue 1, February 2026.
Abstract We explore phylogenetic relationships within the Pachira sensu lato clade (Bombacoideae, Malvaceae), test the monophyly of the genera Eriotheca and Pachira, and investigate their biogeographic history. The Pachira s.l. clade comprises ca. 72 species that traditionally have been placed in Eriotheca and Pachira. We sampled ca. 79% of its species
Vania Nobuko Yoshikawa   +7 more
wiley   +1 more source

IDENTIFICACIÓN Y TRATAMIENTO DE HEMOPARÁSITOS EN LORAS EN CAUTIVERIO EN EL HOGAR DE PASO PARA FAUNA SILVESTRE DE LA UNIVERSIDAD DE LA AMAZONIA

open access: yesRevista de la Facultad de Ciencias Agropecuarias, 2016
La relevancia clínica del diagnóstico de patologías de alto riesgo en poblaciones silvestres en cautiverio, particularmente de alta presión antrópica como los Psittaciformes en zonas de riesgos contínuo de extracción como el departamento del Caquetá, por
Gloria Elena Estrada Cely   +2 more
doaj  

Evaluation of the thermal antinociceptive effects of hydromorphone hydrochloride after intramuscular administration to orange-winged Amazon parrots (Amazona amazonica)

open access: yesAmerican Journal of Veterinary Research, 2020
Abstract OBJECTIVE To evaluate the thermal antinociceptive effects of hydromorphone hydrochloride after IM administration to orange-winged Amazon parrots (Amazona amazonica). ANIMALS 8 healthy adult parrots (4 males and 4 females). PROCEDURES In a randomized crossover study, each bird received hydromorphone (0.1, 1, and 2 mg/kg) and saline (0.9 ...
David, Sanchez-Migallon Guzman   +3 more
openaire   +2 more sources

Tracer Hydrology Practices, Challenges, and Opportunities Across Latin America and the Caribbean

open access: yesHydrological Processes, Volume 40, Issue 1, January 2026.
Tracer monitoring characteristics across the LAC region: overview of sampled hydrologic systems, commonly used tracers, routine and event‐based sampling strategies, integration with hydrometric measurements, and monitoring durations. ABSTRACT Tracer hydrology in Latin America and the Caribbean has made significant progress in recent decades, largely ...
Ricardo Sánchez‐Murillo   +47 more
wiley   +1 more source

Extensive recombination detected among beak and feather disease virus isolates from breeding facilities in Poland [PDF]

open access: yes, 2013
Beak and feather disease virus (BFDV) causes the highly contagious, in some cases fatal, psittacine beak and feather disease in parrots. The European continent has no native parrots, yet in the past has been one of the world’s biggest importers of wild-
Arvind Varsani   +12 more
core   +1 more source

Serološki dokaz Chlamydia psittaci u papiga u tri zoološka parka u Portugalu [PDF]

open access: yes, 2023
Chlamydia psittaci is an agent that causes ornithosis or psittacosis, which can infect homing and wild birds, mammalian animals and humans. Since this disease is an important zoonosis that is fatal and distributed worldwide, it is important to know its ...
Alvura, Nuno   +6 more
core   +2 more sources

Local knowledge enhances the sustainability of interconnected fisheries

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our modelling approach allows managers to compare alternative conservation strategies under different socio‐ecological scenarios, highlighting trade‐offs and guiding investment of effort and resources. While immediately valuable for pirarucu management in the Middle Juruá, the framework scales across tiers of applicability, each requiring progressively
Carine Emer   +4 more
wiley   +1 more source

Biodiversidade e Sistemas de Produção Orgânica: Recomendações no Caso da Cana-de-Açúcar. [PDF]

open access: yes, 2015
Este trabalho apresenta os principais resultados dessa pesquisa e discute as relações existentes entre os sistemas de produção tropicais e a biodiversidade faunística no caso dessa propriedade rural, dedicada à produção orgânica de cana-de-açúcar ...
MIRANDA, E. E. de, MIRANDA, J. R.
core  

Quantification of abnormal repetitive behaviour in captive European starlings (Sturnus vulgaris). [PDF]

open access: yes, 2009
Stereotypies are repetitive, unvarying and goalless behaviour patterns that are often considered indicative of poor welfare in captive animals. Quantifying stereotypies can be difficult, particularly during the early stages of their development when ...
Asher, L   +4 more
core   +2 more sources

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