• CS standardized data outperform opportunistic for SDMs. Opportunistic fail to identify key areas nightingale distribution. Citizen Science projects aimed at SDM should be designed avoid bias. Environmental gradients considered in project designs. Recording species absences could improve quality.

Virtually every clinician and every medical facility have witnessed the decreased rate of AIDSdefining opportunistic infections that has resulted from the introduction of highly active antiretroviral therapy (HAART) and from the widespread use of opportunistic infection prophylaxis. AIDSdefining opportunistic infections continue to occur, both in individuals under intense medical supervision an...