"plant indicators" is a correct phrase to use in written English.
It refers to plants that are used to assess the health or condition of an environment. Example: The presence of certain lichen species in the forest serves as useful plant indicators for air pollution levels.
Methodologies based on ground-collected soil and plant indicators are being increasingly used for this aim because they are affordable yet do not compromise accuracy.
Plant indicators reflect utility preferences, suggesting that some landscapes (because of their poorer grazing potential) will always be able to support less livestock than others, even under the most favourable weather conditions and management.
Methods based on ground-collected soil and plant indicators are being increasingly used for this aim, but they have limitations regarding the extent of the area that can be measured using them.
Through the long-term study of selected plant taxa in a set of representative wetlands in Murcia province (SE Spain), together with the characterization of their watershed agricultural land uses, plant indicators of wetland condition were sought and then combined into a wetland condition index.
We observed a strong correlation between water pH and Ellenberg soil reaction estimated by plant indicator values (r = 0.72, P < 0.001).
We analyzed how road distance and skid trail presence affect stand plant communities by examining species composition, distribution of biological and ecological traits, individual species responses and environmental plant indicator values.
Indirect assessment of contrasting habitat wetness based on plant indicator values, species frequency, and species coverage was carried out in two sites representing the larch (Larix sibirica) and pine (Pinus sylvestris) forest-steppe communities.
The aim of this paper was to utilize Ellenberg's plant indicator system for assessing mollusc autecology and to highlight possibilities and advantages of that approach in the case of fen mollusc communities.
Technical acronyms such as CPI, or Church Planting Indicator, with a ranking system of 0 to 5, measure the progress of church growth based on churches established and number of "believers" regularly attending.
Field assessment methods were developed to acquire systematic data on plant performance indicators and deficiency symptoms.
Plant macrofossil indicators provide evidence of water level and edaphic changes in the basin.
