The phrase "a long term existence" is correct and usable in written English.
It can be used when discussing the duration or sustainability of something over an extended period.
Example: "The species has adapted well to its environment, ensuring a long term existence in the ecosystem."
Alternatives: "a prolonged existence" or "an enduring presence".
This motivates strong support of the environment because a stable ecosystem is necessary for a long-term existence.
Therefore the ability of a species to migrate and disperse to new climatic space is critical for its long term existence.
The second jump was of MSV to maize, consistent with the long term existence of the virus in Africa before the arrival of maize in the continent [ 45].
Kinetic analysis revealed that transcriptional modifications lead to the establishment of a more or less stable new expression profile 12 hours after stress induction, thus indicating the existence of a long term stress response (LTSR) [ 8].
The presence of large genomic fragments from WSSV-like viruses in decapod genomes is indicative of a long term co-evolution and points at the existence of multiple lineages within this viral group.
The sequence of the GGI is characterized by a low G+C and low DUS content, suggesting that it is not of neisserial origin, but the amelioration of some regions to a typical neisserial composition indicate an already long-term existence of GGIs in neisserial genomes.
These two sub-haplogroups all have a short-distanced and star-like network structure, which indicates a long-term local existence and recent population expansion.
The short-distanced and star-like network structure of these two sub-haplogroups indicates a long-term local existence and population expansion of the D-M174 lineage in these two geographically far away regions.
"I'm absolutely convinced that I am less of an encumbrance to the long-term existence of that piece than pigeon shit is".
