Images are used frequently in plant phenotyping to capture measurements. This chapter offers a repeatable method for capturing two-dimensional measurements of plant parts in field or laboratory settings using a variety of camera styles (cellular phone, DSLR), with the addition of a printed calibration pattern. The method is based on calibrating the camera using information available from the EXIF tags from the image, as well as visual information from the pattern. Code is provided to implement the method, as well as a dataset for testing. We include steps to verify protocol correctness by imaging an artifact. The use of this protocol for two-dimensional plant phenotypoing will allow data capture from different cameras and environments, with comparison on the same physical scale.
Blue Mountains Data is the area of the Malheur, Umatilla, and Wallowa Whitman National Forests combined into one data set that covers all of 3 forests. The Blue Mountains is also known as CSA4 in Region 6.
An easy-to-customize, low-cost, low disturbance, motorized, and adjustable proximal sensing cart for field-based high-throughput phenotyping is described. General dimensions, motor specifications, and a remote operation application are given. The cart, named "Professor", supports mounting multiple proximal sensors and cameras for characterizing plant traits grown under field conditions.
Data from: Data from camera surveys identifying co-occurrence and occupancy linkages between fishers (Pekania pennanti), rodent prey, mesocarnivores, and larger predators in mixed-conifer forests
These data provide information on the frequency of fisher detections by camera traps, and single-season occupancy and local persistence of fishers in small patches of Sierra Nevada mixed-conifer forest habitats. The data are used to identify basic patterns of co-occurrence with fishers, and to evaluate the relative importance of presence of competing mesocarnivores, rodent prey, and predators for fisher occupancy of small, 1 km^2^ grid cells of forest habitat.
Data from: Variation in genome size and karyotype among closely-related aphid parasitoids (Hymenoptera: Aphelinidae)
This study measured genome sizes and determined the karyotypes of nine species of aphid parasitoids in the genus Aphelinus.