IGCSE›Cambridge IGCSE Biology›Mind mapsFood SupplyCambridge IGCSE Biology: Mind mapStudy pack PDFAlso for this subtopic:Revision notesFlashcardsSubtopic testCover factsMore productionMachinery works land fasterFertilisers add nitratesInsecticides kill pestsHerbicides kill competing weedsSelective breeding for yieldMonoculturesOne crop over a wide areaEfficient use of machineryHigher short-term yieldBiodiversity fallsOne disease can destroy the cropIntensive livestockMany animals in confined spaceHigher yield, lower costEasy to control feed and diseaseWelfare concernsWaste can pollute waterFood supplyproduction and balanceSustainableProduced as fast as it is removedExamples: forests and fish stocksFish stocksQuotas limit the catchClosed seasons protect breedingProtected areasLarger mesh lets young fish escapeEducation and monitoringExam tipsMonocultures lower biodiversityNot organised, so more biodiversity