Breeding waders in the Latium Region: distribution and habitat selection Data collected within 19... more Breeding waders in the Latium Region: distribution and habitat selection Data collected within 1999-2008 and regarding Black-winged Stilt, Avocet, Stone Curlew, Little Ringed Plover, Kentish Plover and Redshank are reported. Habitat transformation seems to be the main factor of the progressive negative trend for the breeding populations.
The European Roller Coracias garrulus has suffered greatly from breeding habitat loss due to the ... more The European Roller Coracias garrulus has suffered greatly from breeding habitat loss due to the renovation of old farmhouses and rural buildings and changing agricultural practices that took place extensively across Europe in the last decades. As a consequence, this species experienced a significant decline, and local extinctions of breeding populations were recorded in several European countries. We investigated nest sites and nesting area selection by the Italian Roller population during the breeding period (May-August) between 2016 and 2018. We collected 711 points from field surveys and used four types of point pattern analysis to detect space-time patterns of nest site and nesting area selection. We found that: (a) the spatial distribution of selected (i.e., occupied) nest sites was significantly nonrandom (p < 0.01) for all years and months; (b) only 2.6% of the selected nest sites was located within parks or reserves; (c) there were significant (p < 0.01) latitudinal, longitudinal, and altitudinal shifts of selected nest sites between May and August; (d) the geographical barycentres of selected nest sites shifted northward by about 80 km per month from May (southernmost barycentre) to August (northernmost barycentre); (e) four main nesting areas (7886 km 2 in total) occurred in central and southern Italy, whose utilization by the European Rollers differed between months but not between years; (f) the detected nesting areas corresponded mainly to non-irrigated arable lands (41.22% of their extent) and natural grasslands (12.80%). Our results are useful to support conservation strategies for the breeding sites of this farmland species, which is not a regular visitor to protected areas in Italy.
During five consecutive winter periods (December-January) we monitored 45 different UTM squares (... more During five consecutive winter periods (December-January) we monitored 45 different UTM squares (13 in Viterbo province) in order to determine the regional wintering status of Stone Curlew. Observations were carried on by day utilizing the linear transect method (180) and point counts (100) with or without playback use . The species was detected in 15 UTM squares with a mean number of 62,6 wintering (minimum 15; maximum 100 ; SD = 41,5).
ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
The paper aims at presenting some results of a point cloud-based survey carried out through integ... more The paper aims at presenting some results of a point cloud-based survey carried out through integrated methodologies based on active and passive 3D acquisition techniques for processing 3D models. This experiment is part of a research project still in progress conducted by an interdisciplinary team from the School of Architecture and Design of Ascoli Piceno and funded by the University of Camerino. We describe an experimentation conducted on the convent of San Francesco located in Monterubbiano town center (Marche, Italy). The whole complex has undergone a number of substantial changes since the year of its foundation in 1247. The survey was based on an approach blending range-based 3D data acquired by a TOF laser scanner and image-based 3D acquired using an UAV equipped with digital camera in order to survey some external parts difficult to reach with TLS. The integration of two acquisition methods aimed to define a workflow suitable to process dense 3D models from which to generat...
Breeding waders in the Latium Region: distribution and habitat selection Data collected within 19... more Breeding waders in the Latium Region: distribution and habitat selection Data collected within 1999-2008 and regarding Black-winged Stilt, Avocet, Stone Curlew, Little Ringed Plover, Kentish Plover and Redshank are reported. Habitat transformation seems to be the main factor of the progressive negative trend for the breeding populations.
The European Roller Coracias garrulus has suffered greatly from breeding habitat loss due to the ... more The European Roller Coracias garrulus has suffered greatly from breeding habitat loss due to the renovation of old farmhouses and rural buildings and changing agricultural practices that took place extensively across Europe in the last decades. As a consequence, this species experienced a significant decline, and local extinctions of breeding populations were recorded in several European countries. We investigated nest sites and nesting area selection by the Italian Roller population during the breeding period (May-August) between 2016 and 2018. We collected 711 points from field surveys and used four types of point pattern analysis to detect space-time patterns of nest site and nesting area selection. We found that: (a) the spatial distribution of selected (i.e., occupied) nest sites was significantly nonrandom (p < 0.01) for all years and months; (b) only 2.6% of the selected nest sites was located within parks or reserves; (c) there were significant (p < 0.01) latitudinal, longitudinal, and altitudinal shifts of selected nest sites between May and August; (d) the geographical barycentres of selected nest sites shifted northward by about 80 km per month from May (southernmost barycentre) to August (northernmost barycentre); (e) four main nesting areas (7886 km 2 in total) occurred in central and southern Italy, whose utilization by the European Rollers differed between months but not between years; (f) the detected nesting areas corresponded mainly to non-irrigated arable lands (41.22% of their extent) and natural grasslands (12.80%). Our results are useful to support conservation strategies for the breeding sites of this farmland species, which is not a regular visitor to protected areas in Italy.
During five consecutive winter periods (December-January) we monitored 45 different UTM squares (... more During five consecutive winter periods (December-January) we monitored 45 different UTM squares (13 in Viterbo province) in order to determine the regional wintering status of Stone Curlew. Observations were carried on by day utilizing the linear transect method (180) and point counts (100) with or without playback use . The species was detected in 15 UTM squares with a mean number of 62,6 wintering (minimum 15; maximum 100 ; SD = 41,5).
ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
The paper aims at presenting some results of a point cloud-based survey carried out through integ... more The paper aims at presenting some results of a point cloud-based survey carried out through integrated methodologies based on active and passive 3D acquisition techniques for processing 3D models. This experiment is part of a research project still in progress conducted by an interdisciplinary team from the School of Architecture and Design of Ascoli Piceno and funded by the University of Camerino. We describe an experimentation conducted on the convent of San Francesco located in Monterubbiano town center (Marche, Italy). The whole complex has undergone a number of substantial changes since the year of its foundation in 1247. The survey was based on an approach blending range-based 3D data acquired by a TOF laser scanner and image-based 3D acquired using an UAV equipped with digital camera in order to survey some external parts difficult to reach with TLS. The integration of two acquisition methods aimed to define a workflow suitable to process dense 3D models from which to generat...
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Papers by A. Meschini