Mostrando ítems 1-10 de 17
Cuscó Martinez, Francesc (Fecha de defensa: 2019-01-11)
La conservació de les espècies amenaçades requereix entendre els factors que determinen la selecció de l’hàbitat, la supervivència i la productivitat de les seves poblacions. Sota l’actual context ...
Velasquez Vacca, Adriana (Fecha de defensa: 2023-03-21)
[eng] Hawaiian green turtles Chelonia mydas were heavily exploited for their fat, meat and eggs by the Polynesians in the pre-contact era and continued to be commercially exploited until 1978 when they ...
Avià García, Yasmina (Fecha de defensa: 2021-12-10)
El trabajo que se presenta en esta Tesis Doctoral se centra en el estudio de la topografía dental de los molares superiores e inferiores de diversas especies de primates de la tribu Papionini. El objetivo ...
Córdoba González, Darío Eliecer (Fecha de defensa: 2022-07-18)
The biodiversity of a country is part of its natural wealth and the study of it is fundamental for a scientific researcher, such is the case of the Panamanian marine coasts in which there has not been ...
Crespo, Luís Carlos da Fonseca (Fecha de defensa: 2021-11-26)
Dysdera and Hogna are the most speciose spider genera of the Madeira archipelago. I have extensively revised their taxonomy, describing a total of eleven new species, establishing five synonyms and ...
García Vernet, Raquel (Fecha de defensa: 2022-05-06)
El objetivo global de esta tesis es ampliar el conocimiento sobre la biología y ecología del rorcual común, con foco principal en la población de rorcual común de Islandia. Dadas las numerosas incógnitas ...
Mihaela Stefan, Laura (Fecha de defensa: 2016-12-12)
Feather mites are among the most abundant and commonly occurring bird ectosymbionts. They live permanently on the host body, are adapted to inhabit well-defined host microhabitats and are found in almost ...
Cortés Serra, Verònica (Fecha de defensa: 2018-02-05)
La mortalitat per captura accidental en les pesqueres de palangre representa una de les principals amenaces per a nombroses espècies d’ocells marins a nivell mundial. En el Mediterrani, aquesta mortalitat ...
Reyes González, José Manuel de los (Fecha de defensa: 2021-05-26)
The revolution in biologging and satellite telemetry technologies in the last two decades has led to a new era in seabird research. This thesis brings new insights into the spatial ecology and migration ...
Dias, Andreia Suzana Ribeiro e Cota de Pinho (Fecha de defensa: 2021-04-15)
Bonelli's eagle is considered an umbrella and flagship species in Mediterranean ecosystems. In this thesis, we focus on the fact that the Bonelli’s eagle population in southern Portugal nests in trees ...