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The intensity of kelp harvesting shapes the population structure of the foundation species Lessonia trabeculata along the Chilean coastline
Kelp are foundation species that support high levels of biodiversity and, either directly or indirectly provide a wide range of ecological goods and services to human society. In recent decades, due to the high demand for ...
A new model of regular black hole in (2 + 1) dimensions
We provide a new regular black hole solution in (2 + 1) dimensions with presence of matter fields in the energy momentum tensor. The inclusion of our proposed energy density plus a negative cosmological constant allows ...