Browsing Departament de Biologia Animal by Title

Spatial and temporal migratory patterns of trans-Saharan birds in the Iberian Peninsula

Gordo Villoslada, Óscar (Date of defense: 2006-12-01)

The spatial and temporal variability of migratory phenology of <i>Ciconia ciconia, Cuculus canorus, Apus apus, Hirundo rustica</i> and <i>Luscinia megarhynchos</i> were studied by means of 44000 records for 1400 spanish ...

Spawning behaviour of the Salmoninae subfamily members. A phylogenetic study.

Esteve Cavaller, Manuel (Date of defense: 2005-02-25)

Long-term data from underwater video recordings in the wild and in semi-natural channels are used to describe and compare the reproductive behaviour of fishes in the Salmoninae subfamily. The thesis is divided into five ...

Structure of an Anuran community in a Mediterranean area

Richter Boix, Alex (Date of defense: 2006-01-20)

The thesis research concerned evolutionary ecology and community ecology of amphibians in two different areas of a Mediterranean region. The goal of the research was to test how anuran species coexist along a lentic ...

Structure, regulation, and evolution of Passerine molt

Guallar, Santi (Date of defense: 2021-04-09)

Molt is the process of plumage renewal by which birds maintain and adjust its functionality throughout their lifecycle. Multiple elements have been tackled in bird molt research (timing, duration, sequence, intensity, ...

Studies on the genealogical relationships within the genus Monodelphis Burneu, 1830 (Didelphidae, Marsupialia) based on basicranial anatomy and external morphology

Stegun Vidigal, Vera Cristina (Date of defense: 2015-01-21)

The short-tailed opossums of the genus Monodelphis Burnett, 1830 are small-bodied semifossorial marsupials which inhabit almost all major biomes of South America up to 2200 m. Even though it is one of the most speciose ...

Sublethal effects of heavy metal contamination on marine sponges: Responses at different biological levels

Cebrian Pujol, Emma (Date of defense: 2007-04-20)

Many antrophic activities release pollutants to the marine environment. Among them heavy metals are of great importance, since they are conservative pollutants, which can be accumulated through trophy chains. Sometimes, ...

Sustancias naturales de moluscos opistobranquios: estudio de su estructura, origen y función en ecosistemas bentónicos

Ávila Escartín, Conxita (Date of defense: 1993-05-10)

Los Moluscos Opistobranquios, en relación a la reducción o incluso pérdida de la concha, han desarrollado múltiples y sofisticados métodos de defensa (incluyendo la defensa química) que les han permitido sobrevivir sin ...

Taxonomy, morphology and distribution of the common dolphin, Delphinus delphis (short-beaked form) and Delphinus capensis (long-beaked form), in West African waters = Taxonomía, morfologia y distribución del delfín común, Delphinus delphis (delfín de morro corto) y Delphinus capensis (delfín de morro largo), en aguas del Noroeste Africano

Morais Pinela, Ana (Date of defense: 2015-07-15)

Distinguishing population units of small cetaceans continuously distributed in a widespread area is challenging, but critical for their conservation and management. The common dolphin (genus Delphinus) has a wide distribution ...

Territorialitat interspecífica de "Sturnus vulgaris" L. i "Sturnus unicolor" Temm., dues aloespècies en contacte secundari: hàbitat de cria, conducta agonística i cants territorials

Motis Berta, Anna (Date of defense: 1994-03-01)

En la present memòria s'analitzaran els aspectes que fan referència a les relacions territorials intra/interspecífiques de "Sturnus vulgaris" i "Sturnus unicolor", i les seves conseqüències en el marc reproductor. D'una ...

The Colours of Choice: Multiple signalling through feather colouration / Ornamentos múltiples: Mecanismos, función y evolución.

Mateos González, Fernando (Date of defense: 2012-09-07)

El uso de señales múltiples de calidad es común en numerosas especies, pero este hecho no es fácil de explicar. Las presiones fluctuantes del ambiente podrían tener un rol importante en el origen y mantenimiento de las ...

The glenohumeral joint of hominoid primates: locomotor correlates, anatomical variation and evolution

Arias Martorell, Júlia (Date of defense: 2014-12-05)

The Doctoral Thesis entitled "the glenohumeral joint of hominoid primates: locomotor Correlates, anatomical variation and evolution" is about the anatomical adaptations in the shoulder joint (glenohumeral joint) of hominoid ...

Three-dimensional study of the lberian red deer antler (Cervus elaphus hispanicus): application of geometric morphometrics techniques and other methodologies

Martínez Salmeron, Debora (Date of defense: 2014-07-15)

Over time, many studies about deer antlers, based on classical morphometry, have been done. The present study propose a new perspective on the study of Iberian red deer antlers (Cervus elaphus hispanicus) from Sierra Morena ...

Trophic ecology, habitat use and ecophysiology of Audouin’s Gull (Larus audouinii) in the Ebro Delta

García-Tarrasón, Manuel (Date of defense: 2014-12-19)

The results presented in this thesis have shown the strong dependence of Audouin’s gull from the Ebro Delta on fisheries. Foraging movements of breeding birds showed a great association with fishing activities (specially ...

Use of chemical markers in the study of distribution range and population structure of large cetaceans = Uso de marcadores químicos en el estudio del rango de distribución y de la estructura de poblaciones de grandes cetáceos

Vighi, Morgana (Date of defense: 2016-01-19)

Cetaceans have historically been object of heavy exploitation, and are still currently subject to different threats. For conservation and management purposes, most of the large cetacean populations have been categorized ...

Ús de l'espai de l'hàbitat en el sisó (Tetrax tetrax) durant el període reproductor: aspectes aplicats a la conservació en hàbitats agraris

Ponjoan Thäns, Anna (Date of defense: 2012-12-14)

El sisó (Tetrax tetrax) és un ocell estepari que a Europa ocupa principalment ambients agrícoles i està en declivi poblacional a causa, principalment, de la intensificació agrícola. En aquesta tesi s’analitzen aspectes poc ...

Variabilidad morfométrica dental de los primates Platyrrhini: herramienta para el análisis de adaptaciones ecológicas y afiliaciones taxonómicas

Nova Delgado, Mónica Constanza (Date of defense: 2015-12-01)

Desde diferentes enfoques, los primates platirrinos son uno de los grupos más discutidos y debatidos. La dificultad en la comprensión de las interrelaciones a nivel familiar, la posición del género Aotus, la relación con ...

Variació genètica i evolució d'elements "Alu" recents en poblacions humanes. Inferències biodemogràfiques i filogeogràfiques.

González Pérez, Emili (Date of defense: 2009-12-17)

La família d'elements genètics Alu recents són insercions polimòrfiques disperses pel genoma humà. Les seves propietats com a marcadors neutres, amb estat ancestral conegut i identitat per descendència permeten, conjuntament ...