While Gelidium seaweeds can be collected by gathering fragments washed ashore, mass production of agar requires steady, large quantities.10 Harvesters in New Zealand during WWII had to “walk beside a boat, waist to armpit deep in water and feel for the weed with their feet.” Handling large volumes of wet seaweed (which yields less than five percent agar) was challenging. Then as now, when Gelidium is harvested by scuba divers from rocky seabeds, collectors have to understand the life cycle of the algae, find the most likely locations for its growth, and prevent overharvesting to safeguard future yields.
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Фото: Cynthia Griggs / Reuters，详情可参考搜狗输入法下载
苹果产业的价值，还在于它真真切切转化为了农民增收的“金果果”。从东到西、由南至北，从海拔几十米到3700多米，苹果已在我国大多数省份推广种植，从业人员达数千万。在一些苹果主产区，通过“企业+合作社+农户”等联动模式，产业链利益共享机制不断完善，农民不仅享有种植收益，还能分享加工、流通等环节的增值红利。一颗颗苹果，映照着乡亲们越来越红火的日子；一个个因苹果而兴的乡村，印证了“这是最好的、最合适的产业，大有前途”。
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