Results 231 to 240 of about 3,308,677 (360)

Are they two seeds in a pod? Comparing seed rain recovery in grasslands using artificial grass carpets versus sticky traps

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise Seed dispersal is a critical process for plant community assembly; however, natural rates of seed arrival are rarely quantified compared with other assembly mechanisms, especially in herbaceous communities. Methods Here we compare the utility of artificial grass carpet squares (“artificial grass”) for capturing seed rain with classic ...
Lauren L. Sullivan   +3 more
wiley   +1 more source

Security of Ecology in Afghanistan

open access: yes, 2008
"Homer-Dixon refers to five 'tectonic stresses' synergistically confronting the modern world: Population growth and urbanization, lack of reliable energy sources, environmental damage, climate change, and increasing economic inequity. The premise of this essay is that nowhere are these stresses more extreme than in Afghanistan. A geographic, political,
openaire   +1 more source

T. rex cognition was T. rex‐like—A critical outlook on diverging views of the neurocognitive evolution in dinosaurs

open access: yesThe Anatomical Record, EarlyView.
Abstract A recent debate has emerged between Caspar et al. (2024) and Herculano‐Houzel (2023) on inferring extinct dinosaur cognition by estimating brain neuron counts. While thought‐provoking, the discussion largely overlooks the function of cognition, as well as partly neglects the difficulties involved in estimating neuron numbers, which according ...
Thomas Rejsenhus Jensen   +7 more
wiley   +1 more source

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