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How can the home range of the Lesser Kestrel be affected by a large civil infrastructure?

Avian Research 2019年第2期10卷 138-147页

作者： Javier Vidal?Mateo Marta Romero vicente urios Vertebrates Zoology Research Group University of Alicante

Background: The loss of traditional agropastoral systems, with the consequent reduction of foraging habitats and prey availability, is one of the main causes for the fast decline of Lesser Kestrel (Falco naumanni). To promote the conservation of the Lesser Kestrel and their habitats, here we studied the foraging activities patterns of this species during the breeding season. Methods: Between 2016 and 2017, we captured and tagged 24 individuals with GPS dataloggers of two colonies in Villena (eastern Spain) with the goals of estimating the home range sizes of males and females, evaluating the differences in spatial ecology between two colonies located in different environments: natural and beside a thermosolar power plant, and investigating habitat selection. Results: Considering the distances before July 15, date until which it can be assured that the chicks remain in the nest in our colonies, there were significant differences with the distances to the nest in relation to the colony of the individuals: Lesser Kestrels from the thermosolar power plant colony had a greater average distance. The average size of home range areas was 13.37 km2 according to 95% kernel, and there were also significant differences in relation to colony: the individuals from the thermosolar power plant colony used a larger area (22.03 ± 4.07 km^2) than those from the other colony (9.66 ± 7.68 km^2). Birds showed preference for non-irrigated arable lands and pastures. Conclusions: Despite the differences between the two colonies, the home ranges of both are smaller or similar to those observed in other European colonies. This suggests that Lesser Kestrels continue to have adequate habitats and a good availability of prey. Therefore, the extension and proximity of the plant does not imply a great alteration, which highlights the importance of maintaining the rest of the territory in good conditions to minimize the impact.

关键词： Compensatory measures Conservation Environmental impact Mediterranean landscape Raptors

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Individual repeatability in timing and spatial flexibility of migration routes of trans-Saharan migratory raptors

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Current Zoology 2014年第5期60卷 642-652页

作者： Pascual LOPEZ-LOPEZ Clara GARCLA-RIPOLLES vicente urios Vertebrates Zoology Research Group CIBIO Research Institute University ofAlicante Edificio Ciencias III Apdo. 99 E-03080Alicante Spain

Satellite-tracking technology has allowed scientists to make a quantum leap in the field of migration ecology. Nowadays, the basic description of migratory routes of many species of birds has been reported. However, the investigation of bird migration at individual level （i.e. repeatability in migratory routes and timing） still remains seldom explored. Here, we investigated repeated migratory trips of a trans-Saharan endangered migratory raptor, the Egyptian Vulture Neophron percnopterus, tracked by GPS satellite telemetry. We compared between- and within-individual variation in migratory routes and timing in order to assess the degree of repeatability （or conversely, the flexibility） in migration. To this end, we analysed a dataset of 48 trips （23 springs and 25 autumns） recorded for six adult birds during 2007-2013. Our results showed consistent migration timing at the individual level, both in spring and autumn. Interestingly, there was a high degree of flexibility in the routes followed by the same individual in different years, probably due to variations in meteorological conditions. Contrary to expectations of a faster migration in spring than in autumn owing to a time-minimization strategy for breeding, birds spent less time in autumn migration （13 ± 2 days, range = 9-18 d） than in spring migration （19 ± 3 days, range = 13-26 d）, which can be explained by differences in environmental con- ditions en route. Egyptian vultures showed a consistent clockwise loop migration through western Africa, following more easterly routes in autumn than in spring. Finally, our results provide supporting evidence of low phenotypic plasticity in timing of migration （i.e. strong endogenous control of migration） and high flexibility in routes [Current Zoology 60 （5）： 642-652, 2014].

关键词： Egyptian vulture Endogenous control GPS Loop migration Neophron percnopterus Random routes Satellite tracking Simulation

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Tri-axial accelerometry shows differences in energy expenditure and parental effort throughout the breeding season in long-lived raptors

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Current Zoology 2022年第1期68卷 57-67页

作者： Pascual LOPEZ-LOPEZ Arturo MPERONA Olga EGEA-CASAS Jon MORANT vicente urios Movement Ecology Laboratory Cavanilles Institute of Biodiversity and Evolutionary BiologyUniversity of Valencia.C/Catedratico JoseBeltran 2E-46980 PaternaValenciaSpain Department of Ornithology Aranzadi Sciences SocietyDonostia-S.SebastianGuipuzcoa 03690Spain Vertebrates Zoology Research Group University of AlicanteApdo.99Alicante E-03080Spain

Cutting-edge technologies are extremely useful to develop new workflows in studying ecological data,particularly to understand animal behavior and movement trajectories at the individual *** parental care is a well-studied phenomenon,most studies have been focused on direct observational or video recording data,as well as experimental ***,what happens out of our sight still remains *** high-frequency GPS/GSM dataloggers and tri-axial accelerometers we monitored 25 Bonelli’s eagles Aquila fasciata during the breeding season to understand parental activities from a broader *** used recursive data,measured as number of visits and residence time,to reveal nest attendance patterns of biparental care with role specialization between *** data interpreted as the overall dynamic body acceleration,a proxy of energy expenditure,showed strong differences in parental effort throughout the breeding season and between ***,males increased substantially their energetic requirements,due to the increased workload,while females spent most of the time on the ***,during critical phases of the breeding season,a low percentage of suitable hunting spots in eagles’territories led them to increase their ranging behavior in order to find food,with important consequences in energy consumption and mortality *** results highlight the crucial role of males in raptor species exhibiting biparental ***,we exemplify how biologging technologies are an adequate and objective method to study parental care in raptors as well as to get deeper insight into breeding ecology of birds in general.

关键词： biologging GPS movement ecology ODBA space use telemetry

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Regional and age-dependent differences in the effect of wind on the mi^ratorv routes of Eleonora＇s falcon

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Current Zoology 2015年第3期61卷 428-434页

作者： Ugo MELLONE Rube LIMINAN Pascual LOPEZ-LOPEZ vicente urios Vertebrates Zoology Research Group Departamento de Ciencias Ambientales y Recursos Naturales University of Alicante Apdo. 99 E-03080 Alicante Spain

During migration, birds can show different responses to wind in relation to distance to the goal, experience, ecologi- cal barriers and visibility of landmarks. We analysed the effect of wind （tailwinds and crosswinds） on daily movement rates （for- ward and perpendicular） of Eleonora＇s falcons using ARGOS satellite telemetry, during their trans-continental autumn migration to Madagascar, in relation to the different crossed regions and individuals＇ age class. Our results showed that the effect of wind on daily movement rates was not uniform, being stronger in the farthest region from the migration goal, the Sahara desert, with adults being more affected than juveniles in this region. In the Sahel, the results were more conflicting, perhaps because daily movements were more shaped by the distribution of food resources. In Equatorial Africa, daily movement rates were mainly af- fected by crosswinds. Still, it remains unclear which orientation mechanism allows Eleonora＇s falcons to reach such a narrow wintering area compensating also for wind displacement

关键词： Migration Raptors Africa Wind Drift Satellite Telemetry Orientation

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Home range variability and philopatry in Cinereous vultures(Aegypius monachus)breeding in Iberia

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Avian Research 2023年第4期14卷 586-592页

作者： Jorge García-Mací Ernesto Alvarez Manuel Galan Juan Jose Iglesias-Lebrija Marc Galvez Gerard Plana Núria Vallverdú vicente urios Grupo de Investigacion Zoología de Vertebrados Universidad de AlicanteApdo.99E-03080AlicanteSpain GREFA(Grupo de Rehabilitacion de la Fauna Autoctonay su Habitat) C/Monte del Pilar S/NE-28220MajadahondaSpain Cos d’Agents Rurals de la Generalitat de Catalunya Spain Associacio Trenca LleidaSpain

Large scavengers are strongly dependent on environmental conditions and carrion distribution and abundance,so season and breeding-related factors may influence the spatial ecology of species such as the Cinereous Vulture(Aegypius monachus),the largest European *** holds one of the biggest populations worldwide,but some aspects of the spatial ecology of the species in this region remain *** this study,17 adult Cinereous Vultures were GPS-tracked in order to study their spatial ecology during the adult *** average monthly home ranges(95%Kernel Density Estimation,KDE)and core areas(50%KDE)were 6543±19,935 km^(2)and 1174±4004 km^(2),*** average monthly home range fidelity ranged between 50 and 73%.Differences in movement-related variables between the seasonal periods(incubation,chick-rearing and non-breeding)were *** the chick-rearing period,the monthly accumulated distance was higher than during the other periods:3316±1108(chick-rearing)vs.1621±622(incubation)vs.1726±1159 km per month(nonbreeding).Additionally,large home range sizes were more frequent during the chick-rearing *** are two likely causes for these seasonal ***,chick-rearing entails a higher energetic expenditure by the parental individuals in foraging activities,so larger movements and foraging areas are expected during this ***,the flight is favoured during spring and summer due to environmental *** chick-rearing and warm months is a great evolutionary advantage for soaring-gliding raptors,as it allows them to cover larger areas with low energy ***,six individuals tagged as nestlings highlight the philopatric behaviour of the species:vultures settle their breeding areas 54±51 km from their natal nest(range=9–138 km).

关键词： Bird of prey Movement ecology Philopatry Raptor Scavenger

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Wind effects on the migration routes of trans-Saharan soaring raptors： geographical, seasonal, and interspecific variation

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Current Zoology 2016年第2期62卷 89-97页

作者： Javier VIDAL-MATEO Ugo MELLONE Pascual LOPEZ-LOPEZ Javier De LA PUENTE clara GARCIA-RIPOLLES Ana BERMEJO vicente urios Vertebrates Zoology Research Group Departamento de Ciencias Ambientales y Recursos Naturales Universityof Alicante Apdo. 99 E-03080 Alicante Spain SEO/BirdLife Area de Estudio y Seguimiento de AyesC/Melquiades Biencinto 34 E-28053 Madridl Spain

Wind is among the most important environmental factors shaping birds＇ migration patterns. Birds must deal with the displacement caused by crosswinds and their behavior can vary according to different factors such as flight mode, migratory season, experience, and distance to goal areas. Here we analyze the relationship between wind and migratory movements of three raptor species which migrate by soaring-gliding flight： Egyptian vulture Neophron percnopterus, booted eagle Aquila pennata, and short-toed snake eagle Circaetus gallicus. We analyzed daily migratory segments （i.e., the path joining consecutive roosting locations） using data recorded by GPS satellite telemetry. Daily movements of Egyptian vultures and booted eagles were significantly affected by tailwinds during both autumn and spring migrations. In contrast, daily movements of short-toed eagles were only significantly affected by tailwinds during autumn migration. The effect of crosswinds was signifi- cant in all cases. Interestingly, Egyptian vultures and booted eagles showed latitudinal differences in their behavior： both species compensated more frequently at the onset of autumn migration and, at the end of the season when reaching their wintering areas, the proportion of drift segments was higher. In contrast, there was a higher drift at the onset of spring migration and a higher compensation at the end. Our results highlight the effect of wind patterns on the migratory routes of soaring raptors, with different outcomes in relation to species, season, and latitude, ultimately shaping the loop migration patterns that current tracking techniques are showing to be widespread in many long distance migrants.

关键词： Neophmn percnopterus Aquila pennata Circaetus gallicus wind drift satellite telemetry migration

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Lesser kestrels of the same colony do not overwinter together

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Current Zoology 2024年第4期70卷 505-512页

作者： Jorge Garcia-Macia Munir Chaouni Sara Morollon Javier Bustamante Lina Lopez-Ricaurte Juan Martinez-Dalmau Beatriz Rodriguez-Moreno vicente urios Grupo de Investigacion Zoologia de Vertebrados Universidad de AlicanteApdo.99E-03080 AlicanteSpain Department of Wetland Ecology Estacion Biologica de Donana(CSIC)C/Americo Vespucio 2641092SevillaSpain GREFA C/MontedelPilarS/NE-28220MajadahondaMadridSpain

Migratory connectivity describes the linkage between breeding and nonbreeding sites,having major ecological implications in birds:1 season influence the success of an individual or a population in the following *** studies on migratory connectivity have used large-scale approaches,often considering regional populations,but fine-scale studies are also necessary to understand colony *** lesser kestrel Falco naumanni,an insectivorous migratory raptor which form colonies during the breeding period,was considered to have strong connectivity based on regional ***,no small-scale studies on migratory connectivity have been ***,we GPS(Global Positioning System)-tracked 40 adult lesser kestrels from 15 different Spanish breeding colonies,estimating the overlap index between home ranges and the distance between their *** was found that lesser kestrels from the same breeding colony placed their nonbreeding areas at 347±281 km(mean±standard deviation)away from each other(range=23-990),and their home ranges over-lapped by 38.4±23.6%.No differences between intra-colony and inter-colony metrics were found,which suggests that lesser kestrels from the same breeding cluster do not overwinter together,but they spread out and mixed independently of the colony belonging throughout the nonbreeding range of the ***,this study highlights the importance of performing connectivity studies using fine-scale approaches.

关键词： Falco naumanni GPS telemetry migratory connectivity nonbreeding raptor spatial ecology wintering.

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The variability of juvenile dispersal in an opportunistic raptor

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Current Zoology 2023年第3期69卷 244-254页

作者： Jorge Garcia-Macia Gabriel Lopez-Poveda Javier De La Puente Ana Bermejo-Bermejo Manuel Galan Ernesto Alvarez Sara Morollon vicente urios Vertebrates Zoology Research Group University of AlicanteApdo.99E-03080 AlicanteSpain SEO/BirdLife Bird Monitoring UnitC/Melquiades Biencinto34E-28053MadridSpain GREFA C/MontedelPilarS/NE-28220 MajadahondaMadridSpain

The juvenile dispersal of raptors is a crucial stage that stretches from parental independence to the establishment of the first breeding *** 2012 and 2020,44 juvenile red kites Milvus milvus from the Spanish breeding population were tagged using GPS telemetry to study their *** left the parental breeding area at the end of their first summer and performed wandering movements throughout the Iberian Peninsula,returning to the parental breeding area the following year,repeating the same pattern until they settled in their first breeding *** analyzed the mean distance from the nest,the maximum reached distances,and the traveled distances(daily and hourly)during the first 2 years of dispersal and compared *** the high individual variability,variables describing the dispersal movements of juveniles showed a decreasing trend during the second dispersal year:80% of individuals reached a shorter maximum distance in the second year,70% decreased their mean distance to the nest,65% decreased their hourly traveled distances,and 50% decreased their daily traveled *** the other hand,the red kites usually combined wandering movements with the establishment of temporary settlement areas(TSA).The average duration of settlement in the TSAs was 75±40 days(up to 182 days)and was located at 182±168 km from the *** those areas,juveniles used 781.0±1895.0 km^(2)(KDE 95%).Some of the TSAs were used by several individuals,which suggests that these areas might be good targets for conservation in future management plans.

关键词： GPS telemetry landfills movement ecology natal dispersal red kite spatial ecology

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Non invasive blood flow measurement in cerebellum detects minimal hepatic encephalopathy earlier than psychometric tests

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World Journal of Gastroenterology 2014年第33期20卷 11815-11825页

作者： vicente Felipo Amparo urios Carla Giménez-Garzó Omar Cauli Maria-Jesús Andrés-Costa Olga González Miguel A Serra Javier Sánchez-González Roberto Aliaga Remedios Giner-Durán vicente Belloch Carmina Montoliu Laboratory of Neurobiology Centro Investigación Príncipe Felipe 46012Valencia Spain Fundación Investigación Hospital Clínico de Valencia. Instituto de Investigación Sanitaria INCLIVA 46010 Valencia Spain Servicio DigestivoHospital Arnau de Vilanova 46015 Valencia Spain Grupo Hepatología Servicio Aparato Digestivo Hospital Clínico de Valencia 46010 Valencia Spain Philips Healthcare Iberia 28050 Madrid Spain ERESA Unidad RM 46015 Valencia Spain Departamento de Patología Facultad de Medicina Universidad de Valencia 46010 Valencia Spain

AIM: To assess whether non invasive blood flow measurement by arterial spin labeling in several brain regions detects minimal hepatic encephalopathy.

关键词： Arterial spin labelling Neurological impair-ment Blood flow Cerebellum Minimal hepatic enceph-alopathy

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Whole-rock geochemical, U-Pb and Sm-Nd isotope characteristics of the Dongueni Mont nepheline syenite intrusion, Mozambique

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Geoscience Frontiers 2017年第5期8卷 1063-1071页

作者： vicente Albino Manjate Instituto Nacional de Minas Av24 de Julho 1895 Maputo Mozambique

The Dongueni Mont nepheline syenite intrudes migmatitic paragneisses and siliciclastic metasediments of the Barue Complex, Mozambique. This study reports the whole-rock geochemical, U-Pb and Nd isotopic data of the nepheline syenite. The ferroan and alkalic geochemical characteristics are typical of alkaline rocks formed in a within-plate setting. The strong depletion in high field strength elements(HFSEs)(e.g. Ba, Nb, P,and Ti) and enrichment in large ion lithophile elements(LILEs)(e.g. Rb, Th, K, and Pb) are consistent with magmatism in a continental alkaline magmatic province associated with intracontinental rifting. Zircon U-Pb data yielded crystallization ages from 498 ± 19 to 562± 14 Ma,consistent with the Pan-African Orogeny and the inherited zircons yield an age of 1040 Ma, which supports the presence of a Mesoproterozoic crust. Theε_(Nd)(t) values from the nepheline syenite samples range from-15.1 to-16.1 and the T_(DM)values from 1.77 to 1.67 Ga, which indicate that the initial nepheline syenite magma formed from a tholeiitic or mantle source in a within-plate setting with crustal assimilation.

关键词： Orogeny Geochronology Model age Nepheline syenite Crystallization

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