living root biomass 活根生物量
Their methods do not attempt to estimate the actual biomass (the amount of living biological matter) of fish species in particular parts of the ocean, but rather changes in that biomass over time.
他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。
Their methods do not attempt to estimate the actual biomass(the amount of living biological matter) of fish species in particular parts of the ocean,but rather changes in that biomass over time.
他们的方法并不是要评估特定海域鱼种的实际生物量，而是评估在这一段时间内生物量的变化。
That there is more sunlight-and so more opportunity for photosynthesis-at the tropics explains why warm climates create more living matter (or biomass, as it is known to ecologists).
热带地区光照资源更丰富——因此更有利于光合作用——这一点可以解释为什么温暖的气候可以产生更多的生物(或生物量，这点为生态学家们所共知)。
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