השוואת שיטות

	מדד בנת'י של שלמות ביוטית	תכנון מרחבי של שמורות טבע ימיות באמצעות Marxan
תחום	אוקיינוגרפיה	אוקיינוגרפיה
משפחה	Process / pipeline	Process / pipeline
שנת המקור	1981	2000
הוגה השיטה	James Karr	Ian Ball
סוג	biotic-index	optimization-algorithm
מקור מכונן	Karr, J. R. (1981). Assessment of biotic integrity using fish communities. Fisheries, 6(6), 21-27.	Possingham, H. P., Ball, I., & Andelman, S. (2000). Mathematical methods for identifying representative reserve networks. In S. Ferson & M. Burgman (Eds.), Quantitative Methods for Conservation Biology (pp. 291-306). Springer-Verlag.
כינויים	B-IBI, Benthic IBI	Marxan, Marxan with Zones
קשורות	3	3
תקציר	The Benthic Index of Biotic Integrity (B-IBI) is an ecological assessment metric that measures the health and integrity of benthic (seafloor) communities based on the composition, abundance, and diversity of benthic fauna. Developed by James Karr in 1981 for freshwater fish assemblages and later adapted for marine benthic communities, the B-IBI provides a holistic measure of ecosystem condition integrating responses to multiple stressors including pollution, habitat degradation, and resource depletion.	Marxan is a decision-support system that uses optimization algorithms to design cost-effective marine protected area (MPA) networks that achieve conservation targets while minimizing socioeconomic costs. Developed by Ian Ball and Hugh Possingham in 2000, Marxan has become the global standard tool for systematic conservation planning in marine environments. The software enables planners to explore trade-offs between conservation effectiveness and economic feasibility.