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22 results for “landscape phenology”
Landscape Phenology from Unmanned Aerial Vehicle Photography at Harvard Forest 2013
This data set contains orthophotos in the vicinity of the EMS tower at Harvard Forest, as well as the flight logs from the unmanned aerial vehicle (UAV) used to obtain the digital images used in orthophoto creation. Orthophotos were created by mosaicking approximately 200 JPEG images from each date of observation. The orthophotos cover the spatial extent of the 250 meter resolution MODIS pixel that contains the EMS tower. Land cover types in the area of photography include deciduous and evergreen forest, and wetlands. The research goal of data collection for this data set was to observe spatial variance in plant phenology. Therefore, photos were taken from before leaf out until after leaf drop. Orthophotos were collected approximately every 5 days during spring and weekly during fall; see filenames for specific dates. The nominal spatial resolution of the orthophotos is 6 cm, however due to various factors including inaccuracy of the onboard GPS, wind-blown motion of trees, the automated orthophoto mosaicking process, and user error in final georeferencing, image analysis has been conducted at 10 m resolution. The orthophotos are available as GeoTIFF files.
Landscape Flowering Phenology Field Data for Sites in the Vicinity of Crested Butte, CO
This dataset represents field observations of reproductive development (flowering phenology) in 135 species of flowering plants collected at 12 field sites in the vicinity of Crested Butte, Colorado starting in 2019. Sites were visited approximately weekly from early May until early August, and all species in flower were recorded in 25 segments along a 50m transect at each site, and species were recorded if they were within 1m of either side of the transect. Datasets included in this package are 1) cleaned field observations of flowering phenology, 2) taxonomic identity of all recorded species, 3) spatial data representing the location of the center of each transect segment, and 4) spatial data representing the segment polygons.
Phenological time lapse images from landscape camera MC117-1 in Paljakka Spruce stand
<p>This record contains phenological time lapse images from camera Paljakka Spruce stand. Camera was mounted at landscape view level at location 64.677381;28.114014(N;E, WGS84).</p> <p>First set of images were taken between 02.11.2016--31.12.2016 (Version 1). Subsequent Versions extend the record with newer images, and the version number indicates the years covered by the record.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at doi 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact Mikko Peltoniemi (mikko.peltoniemi@luke.fi)</p>
Phenological time lapse images from landscape camera MC112 in Parkano Mixed stand
<p>This record contains phenological time lapse images from camera Parkano Mixed stand. Camera was mounted at landscape view level at location 62.028368; 23.041569(N;E, WGS84).</p> <p>First set of images were taken between 07.05.2015--31.12.2016 (Version 1). Subsequent Versions extend the record with newer images, and the version number indicates the years covered by the record.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at doi 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact Mikko Peltoniemi (mikko.peltoniemi@luke.fi)</p>
Phenological time lapse images from landscape camera MC118 in Paljakka Spruce stand (2015-2016)
<p>This dataset contains phenological time lapse images from x camera Paljakka Spruce stand. Camera was mounted at landscape view level at location 64.677381;28.114014(N;E, WGS84). Images were taken between 29.05.2015--06.07.2016.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact Mikko Peltoniemi (mikko.peltoniemi@luke.fi)</p>
Phenological time lapse images from landscape camera MC117 in Paljakka Spruce stand (2015-2016)
<p>This dataset contains phenological time lapse images from camera Paljakka Spruce stand. Camera was mounted at landscape view level at location 64.677381;28.114014(N;E, WGS84). Images were taken between 27.05.2015--06.07.2016.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact Mikko Peltoniemi (mikko.peltoniemi@luke.fi)</p>
Phenological time lapse images from landscape camera MC130 in Tvärminne Archipelago shore
<p>This record contains phenological time lapse images from camera Tvärminne Archipelago shore. Camera was mounted at landscape view level at location 59.844555, 23.249109(N;E, WGS84).</p> <p>First set of images were taken between 03.12.2015--31.12.2016 (Version 1). Subsequent Versions extend the record with newer images, and the version number indicates the years covered by the record.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at doi 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact kristin.bottcher@ymparisto.fi </p>
Data from: Phenotypic landscapes: phenological patterns in wild and cultivated barley
Phenotypic variation in natural populations is the outcome of the joint effects of environmentally induced adaptations and neutral processes on the genetic architecture of quantitative traits. In this study we examined the role of adaptation in shaping wild barley phenotypic variation along different environmental gradients. Detailed phenotyping of 164 wild barley (Hordeum spontaneum) accessions from Israel (of the Barley1K collection), and 18 cultivated barley (H. vulgare) varieties, was conducted in common garden field trials. Cluster analysis based on phenotypic data indicated that wild barley in this region can be differentiated into three ecotypes in accordance with their ecogeographic distribution: north, coast, and desert. Population differentiation (Qst) for each trait was estimated using a hierarchical Bayesian model and compared to neutral differentiation (Fst) based on 42 microsatellite markers. This analysis indicated that the three clusters diverged in morphological but not in reproductive characteristics. To address the issue of phenotypic variation along environmental gradients, climatic and soil gradients were compared with each of the measured traits given the geographical distance between sampling sites using a partial Mantel test. Flowering time and plant growth were found to be differentially correlated with climatic and soil characteristic gradients, respectively. The H. vulgare varieties were superior to the H. spontaneum accessions in yield components yet resembled the Mediterranean types in vegetative characteristics and flowering time, which may indicate the geographic origin of domesticated barley.
Figure 4 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 4. Captures of Bombus a-f-p group averaged by week at three sites near Athens, Georgia, USA. HF = Durham Horticulture Farm in Watkinsville, GA; WG = Woodland Gardens in Athens, GA; SV = Spring Valley EcoFarms in Athens, GA. No surveys were conducted during the week of 28 June due to a lack of available person-hours.
Figure 3 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 3. Bombus impatiens captures averaged by week at three sites near Athens, Georgia, USA. HF = Durham Horticulture Farm in Watkinsville, GA; WG = Woodland Gardens in Athens, GA; SV = Spring Valley EcoFarms in Athens, GA. No surveys were conducted during the weeks of 28 June or 6 September due to a lack of available person-hours, or the weeks of 16–30 August due to inclement weather and/or insufficient number of bees observed. Average captures for B. impatiens are underrepresented during the following weeks due to limited supplies: 14 June, 12 July, 2 and 9 August, 9 August, 13 September, 4 October.
Figure 1 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 1. Bombus bimaculatus captures averaged per week at three sites near Athens, Georgia, USA. HF = Durham Horticulture Farm in Watkinsville, GA; WG = Woodland Gardens in Athens, GA; SV = Spring Valley EcoFarms in Athens, GA. This species was not captured during the week of 21 June. No surveys were conducted during the week of 28 June due to a lack of available personhours.
Figure 6 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 6. Average weekly captures of Bombus bimaculatus castes across three sites in 2010 near Athens, Georgia, USA. No individuals of this species were captured during the week of 21 June. No surveys were conducted during the week of 28 June due to a lack of available person-hours.
Figure 9 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 9. Average captures per week of Bombus griseocollis castes across three sites in 2010 near Athens, Georgia, USA. No surveys were conducted during the week of 28 June due to a lack of available person-hours. No individuals of this species were captured during the week of 26 July.
Figure 8 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 8. Caste percentages of total Bombus captures across three sites near Athens, Georgia, USA, in 2010. Bb = Bombus bimaculatus, Bg = B. griseocollis and Bi = B. impatiens. Q = queen, W = worker and M = male castes. Total captures = 1956; Bb total captures = 228, Bg total captures = 529, Bi total captures = 1058.
Figure 5 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 5. Average weekly captures of Bombus bimaculatus (Bb), B. griseocollis (Bg), B. impatiens (Bi) and B. a-f-p group (Bafp) across three sites in 2010 near Athens, Georgia, USA. No surveys were conducted during the weeks of 28 June or 6 September due to a lack of available person-hours, or the weeks of 16–30 August due to inclement weather and/or an insufficient number of bees observed at all sites. No B. bimaculatus individuals were captured during the week of 21 June. No B. griseocollis individuals were captured during the week of 26 July. Weekly average captures for B. impatiens are underrepresented during the following weeks due to insufficient supplies: 14 June, 12 July, 2 August, 9 August, 13 September, 4 October.
Figure 7 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 7. Caste percentages of total captures from each Bombus species across three sites near Athens, Georgia, USA, in 2010. Bb = Bombus bimaculatus, Bg = B. griseocollis and Bi = B. impatiens. Q = queen, W = worker and M = male castes. Bb total captures = 228, Bg total captures = 529, Bi total captures = 1058.
Figure 10 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 10. Average captures per week of Bombus impatiens castes across three sites in 2010 near Athens, Georgia, USA. No individuals of this species were captured during the weeks of 12 April, 19 April, 17 May, 20 September, 27 September. No surveys were conducted during the week of 28 June or 6 September due to a lack of available person-hours, or the 16–30 weeks of August due to inclement weather or lack of sufficient bumble bee observations. Average captures are underrepresented during the following weeks due to limited supplies: 14 June, 12 July, 2 August, 9 August, 13 September, 4 October.
Figure 11 in An exploratory study of bumble bee (Bombus) phenologies and plant interactions in agricultural landscapes in central Georgia, USA
Figure 11. Weekly average captures of Bombus bimaculatus (Bb), B. griseocollis (Bg), B. impatiens (Bi), and B. a-f-p group (Bombus auricomus-pensylvanicus-fraternus, Bafp) across two sites in 2011 near Athens, Georgia, USA. Only one site could be surveyed during the weeks of 22 March–5 April, so total captures are shown for those two weeks. No surveys were conducted during the weeks of 30 May– 13 June due to a lack of available person-hours; or during the weeks of 9–23 May due to inclement weather and/or lack of sufficient bumble bee observations at both sites. Bombus were absent from both sites during the weeks of 23 June–29 September. Surveys were not conducted during the week of 3 October, but the date is included for comparison with Figure 5.
Phenological time lapse images from landscape camera MC124 in Lammi Mixed stand
<p>This record contains phenological time lapse images from camera Lammi Mixed stand. Camera was mounted at landscape view level at location 61.05356; 25.03898(N;E, WGS84).</p> <p>First set of images were taken between 23.11.2015--31.12.2016 (Version 1). Subsequent Versions extend the record with newer images, and the version number indicates the years covered by the record.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact john.loehr@helsinki.fi</p>
Phenological time lapse images from landscape camera MC125 in Lammi Mixed stand
<p>This record contains phenological time lapse images from camera Lammi Mixed stand. Camera was mounted at landscape view level at location 61.05356; 25.03898(N;E, WGS84).</p> <p>First set of images were taken between 23.11.2015--31.12.2016 (Version 1). Subsequent Versions extend the record with newer images, and the version number indicates the years covered by the record.<br> Cameras were set to fix white balance, brightness automatically adjusted by camera.Image have equal resolution throughout the time series, time indicated in UTC+2. Images are taken half-hourly during fixed day-time period over the year. Gaps in time series and dark images possibly exist.<br> More details on the camera installations and operation history can be found at doi 10.5281/zenodo.777952<br> The cameras were set up and images collected under EU Life+ (LIFE ENV/FI/000409) Monimet project, http://monimet.fmi.fi.<br> For further information contact john.loehr@helsinki.fi</p>
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