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2,297 results for “foot”
Effects of Acorn Production on White-Footed Mouse Populations at Harvard Forest 1997-1999
Recently several authors have documented fluctuations in the abundance of white-footed mice (Peromyscus leucopus noveboracensis) with fluctuations in acorn production (Elkinton et al. 1996, Ostfeld et al. 1996, Wolff 1996, Jones et al. 1998). Acorns are the major food source of white-footed mice during winter and are extensively cached. They are also food for many other species as well; over 100 species of birds and mammals feed on acorns (Van Dersal 1940). A large mast crop in fall usually correlates with a large mouse population the following summer, whereas a poor crop correlates with low population numbers. One experimental study supplementing acorns on forest plots demonstrated a concomitant increase in white-footed mice populations (Jones et al. 1998). It has been hypothesized that a large mast crop increases overwinter survival and may allow continued reproduction during the winter months, which results in a larger population the following year. We have four objectives in monitoring acorn abundance at Harvard Forest: 1) test for correlation of estimates of acorn production with estimates of overwinter survival probabilities and abundance of white-footed mice using mark-recapture statistical models (HF054), 2) document annual variation in acorn abundance and quality, which compliments a program at Harvard Forest documenting changes in woody plant phenology with climatic variation (HF003), 3) test hypotheses concerning the correlation of acorn production with environmental factors such as temperature, rainfall, and weevil infestation, and 4) provide data for inter-site comparisons, such as to test for synchrony in production at various scales across the landscape. We estimate acorn production with timed visual surveys following methods adapted from Koenig et al. (1994). Individual tagged trees on two small mammal trapping plots are surveyed each year by two observers. Detailed methods are described in the metadata.
Triaxial accelerometer gait dataset: foot and lower back motion during normal and metronome walking
<p><strong>This dataset contains accelerometric data collected from young and older individuals walking in a controlled environment. The data were recorded using two triaxial accelerometers, one attached to the participant's lower back and the other attached to the foot. Participants were instructed to walk back and forth along a 205-meter corridor under two different conditions:</strong></p> <p><strong>Normal walking: </strong>Participants walked at their preferred walking speed, reflecting their natural gait and pace.</p> <p><strong>Metronome walking: </strong>Participants synchronized their walking pace to a metronome set to their preferred walking cadence. This condition introduced a rhythmic element to the walking pattern, allowing for the study of gait changes when adhering to an external tempo.</p> <p><strong>Another condition was also measured to introduce a more variable and dynamic walking pattern that reflects everyday pedestrian movement in a real-world context.</strong></p> <p><strong>Free outdoor walking:</strong> Older participants engaged in approximately 5 minutes of free walking in an urban environment, navigating city streets. During this activity, only the lumbar accelerometer was used to record data. </p>
carafe_foot_laying_22
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_12
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_06
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_05
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_03
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_15
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_02
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_01
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_11
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_04
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_21
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_14
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_10
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_25
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_17
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_20
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_19
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
carafe_foot_laying_07
This is the process of making a carafe Bontemps. The step depicted is called "carafe_foot_laying"(from the Mingei project).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.