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JUICE is a widely used non-commercial
software
Software is a set of computer programs and associated documentation and data. This is in contrast to hardware, from which the system is built and which actually performs the work.
At the lowest programming level, executable code consists ...
package for editing and analysing
phytosociological data.
It was developed at the
Masaryk University in Brno
Masaryk University (MU) ( cs, Masarykova univerzita; la, Universitas Masarykiana Brunensis) is the second largest university in the Czech Republic, a member of the Compostela Group and the Utrecht Network. Founded in 1919 in Brno as the sec ...
,
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
in 1998, and is fully described in English manual. It makes use of the previously-developed
TURBOVEG software for entering and storing such data) and it offers a quite powerful tool for vegetation data analysis, including:
*creation of synoptic tables
*determination of diagnostic species according to their fidelity
*calculation of
Ellenberg indicator values for relevés, various indices of
alpha
Alpha (uppercase , lowercase ; grc, ἄλφα, ''álpha'', or ell, άλφα, álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , whic ...
and
beta diversity
Beta (, ; uppercase , lowercase , or cursive ; grc, βῆτα, bē̂ta or ell, βήτα, víta) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Modern Greek, it represents the voiced labiod ...
*classification of relevés using TWINSPAN or
cluster analysis
Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense) to each other than to those in other groups (clusters). It is a main task of ...
*expert system for vegetation classification based on
COCKTAIL
A cocktail is an alcoholic mixed drink. Most commonly, cocktails are either a combination of spirits, or one or more spirits mixed with other ingredients such as tonic water, fruit juice, flavored syrup, or cream. Cocktails vary widely across ...
method etc.
See also
*
Phytosociology
Phytosociology, also known as phytocoenology or simply plant sociology, is the study of groups of species of plant that are usually found together. Phytosociology aims to empirically describe the vegetative environment of a given territory. A speci ...
*
Phytogeography
Phytogeography (from Greek φυτόν, ''phytón'' = "plant" and γεωγραφία, ''geographía'' = "geography" meaning also distribution) or botanical geography is the branch of biogeography that is concerned with the geographic distribution o ...
*
Biogeography
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, ...
External links
*{{Official website, www.sci.muni.cz/botany/juice/
Tichy, L. 2002. JUICE, software for vegetation classification. J. Veg. Sci. 13: 451-453.(Basic scientific article on the program).
Uses in scientific journals
Pyšek P., Jarošík V., Chytrý M., Kropáč Z., Tichý L. & Wild J. 2005. Alien plants in temperate weed communities: prehistoric and recent invaders occupy different habitats. Ecology 86: 772–785. Ewald, J A critique for phytosociology Journal of Vegetation Science (April 2003) 14(2)291-296
Science software
Botany
Biogeography
Ecological data
