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Canopy photography
When digital photography meets ecology
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(20)
R package
(5)
biodiversity
(2)
blog
(20)
canopy
(1)
canopy cover
(1)
canopy photography
(2)
crownet
(4)
laser scanning
(1)
leaf angle distribution
(2)
leaf traits
(3)
optical methods
(1)
seed
(1)
Using continuous camera for precision poplar plantation
blog
crownet
We have recently demonstrated the use of trail cameras for continuous canopy monitoring, the CrowNet monitoring system (Chianucci et al. 2025)
Nov 4, 2025
CrowNet: first study illustrating the monitoring system
blog
crownet
CrowNet is a continuous canopy monitoring system based on time-lapse trail cameras. The method was firstly proposed by Chianucci et al. 2021. After this first study, I…
May 30, 2025
Reliability of canopy photography in ecology studies
blog
biodiversity
Digital canopy photography is a widely used tool to monitor forest canopy attributes. Applications of canopy photographic techniques have been typically focused in the…
Sep 12, 2024
Relating canopy photography with forest biodiversity
blog
biodiversity
Canopy structure modulates the availability of light and nutrient cycling below the canopy, thus having a key role in driving forest diversity. However, very few studies…
Feb 23, 2024
LAIr: an R package to estimate LAI from NDVI
blog
R package
Leaf Area Index can be collected in the field, using either direct or indirect optical methods (for a review, see Yan et al. 2019, Chianucci 2020). However,
in situ
measureme…
Sep 25, 2023
Ground and aerial methods for monitoring vegetation cover
blog
canopy cover
In vegetation, the term ‘cover’ refers to the vertical projection of vegetation area for the unit ground area. This variable is unitless, and ranges from 0 to 1. However…
Apr 14, 2023
LAD: an R package to estimate leaf angle distribution (LAD) from measured leaf inclination angles
blog
leaf traits
leaf angle distribution
R package
Leaf angle distribution (LAD) is an important factor for describing optical features of vegetation canopies (Ross 1981). It influences several processes such as…
Nov 1, 2022
bRaw: an R package for digital RAW canopy imagery
blog
R package
Digital photography is an increasingly popular tool to estimate forest canopy attributes. However, estimates of gap fraction, upon which calculations of canopy attributes…
Oct 27, 2022
hemispheR: an R package for fisheye canopy image analysis
blog
R package
A couple of months ago, I wrote a post where I illustrated the open-access tools available for digital canopy image analysis (you can find it here). For the purpose, I…
Apr 5, 2022
coveR: an R Package for processing digital cover images of tree canopies
blog
R package
Digital Cover Photography
(DCP) is an increasingly popular method for estimating tree canopy attributes like canopy cover and leaf area index (LAI). Unlike fisheye…
Jan 15, 2022
CrowNet: first project started!
blog
crownet
CrowNet is a collaborative canopy and tree phenology monitoring network based on continuous digital canopy images from remote camera traps. The continuous camera system is…
Dec 23, 2021
Estimate canopy structure from terrestrial lidar intensity images
blog
laser scanning
Light Detection And Ranging (LiDAR), also known as laser scanning, is an active technology which uses information from optically-directed laser beams to precisely obtain 3D…
Dec 13, 2021
Open-access tools for canopy image processing
blog
canopy photography
Digital canopy photography is the cheapest, most flexible, but also effective tool to estimate canopy attributes light Leaf Area Index (LAI), canopy cover, and radiation…
Dec 6, 2021
CrowNet: a continuous camera-trap canopy monitoring network
blog
crownet
Accurately detecting spatial and temporal variation in vegetation
phenology
is key for understanding the interaction between plants and atmosphere, and their adaptation to…
Nov 29, 2021
Smartphone canopy photography
blog
Smartphone is a ubiquitous technology and a widely used source of information. According to many reports (e.g., The Atlantic 2018), the total number of smartphone users…
Nov 22, 2021
Canopy and seed photography
blog
canopy photography
seed
Digital photography possesses several features which makes use of the digital information suitable for retrieving informations on the
green
components of vegetation. As a…
Nov 15, 2021
The significance of leaf angle distribution in plants
blog
leaf traits
leaf angle distribution
Intuitively, the arrangement of plant components in space follows specific strategies to allow vegetation to cope with their non-locomotory nature. Indeed, the rooted…
Nov 8, 2021
Leaf-level digital photography
blog
leaf traits
Due to the camera’s lens footprint, canopy photography is typically
not
suited for applications at scales smaller than trees. However, there are some examples in literature…
Nov 4, 2021
Methods to estimate LAI
blog
optical methods
Field measurements of forest canopy structure can be grouped in two methods: those based on
direct
(or contact) approaches, and those based on
indirect
(non-contact)…
Oct 28, 2021
The importance of canopy structure
blog
canopy
The canopy, which is the aggregate of leaves, branches and twigs in a stand or a crop, is the active interface between plants and atmosphere.
Oct 28, 2021
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