The phrase "a lack of mate" is correct and usable in written English.
It can be used to describe a situation where there is an absence of a partner or companion, often in a social or romantic context.
Example: "After years of searching, she finally accepted that there was a lack of mate in her life, and she decided to focus on her personal growth instead."
Alternatives: "absence of a partner" or "shortage of companionship".
Heterodichogamous plants containing protandrous and protogynous individuals within a population may be susceptible to habitat fragmentation due to a lack of available mating partners.
Therefore, yearling females could have mated with younger and/or less dominant males due to a lack of opportunities to mate with higher quality males late in the rut.
A lack of eagerness to mate might indicate pregnancy.[3].
Although speculative at the moment, we do not want to rule out that a continued lack of mating opportunities might stress the animals and lead to impaired homeostasis in the long term.
It appears mindless, but this "agricultural" style of play may not imply a lack of talent; his team-mates may simply not be worth passing to.
Alternatively, extrapair fertilizations (EPFs) may be constrained by asynchronous breeding, which results in a lack of neighboring potential extrapair mates (Stutchbury and Morton 1995).
Preferences for traits that signal genetic quality are generally predicted to be increased when short-term, as opposed to long-term, relationships are being considered; however, the absence of such a contrast is not sufficient evidence for a lack of genetic benefits to mating with helpful individuals – especially if the likelihood of conception from a short-term fling is perceived to be low.
Thus, in contrast to other species, hatchery-born chum salmon spend minimal time under the selective forces within an artificial rearing environment and impacts might be primarily through broodstock selection, lack of mate choice, and unequal success of hatchery families.
What Couto said all of this boils down to is a need to feel loved and a lack of options people have for mates in the winter.
