"intense specialization" is correct and usable in written English.
You can use it when you want to refer to a situation or a topic in which a person or group has become highly skilled or knowledgeable in a particular area. For example, "Through intense specialization, he was able to become one of the leading experts in the field."
For example, the scarcity of hosts (relative to phages) in the marine environment may impose intense resource competition, and host specialization may evolve as a mechanism to reduce this competition.
Agricultural practices have undergone intense changes, which are evidenced by significant advances in technology and mechanization, specialization of agricultural undertakings, discontinuation of labor-intensive farming branches, increased field size, drainage of wetlands, and the removal of hedges and boundary strips.
Notwithstanding, there remains intense scientific debate over whether animals, and particularly nonhuman primates, show hemispheric specialization in the perception and production of species-typical communicative signals and how this might relate to the evolution of language in humans [1], [8], [10] [14].
The increased specialization of the most developed European countries in manufactured products generated an intense demand for raw materials and foodstuffs; such needs were met both by various lesser-developed European countries and the rest of the world (Aparicio et al. 2009).
Thirdly, interspecific interactions, like parasitism, are thought to be more intense and complex in tropical ecosystems and might contribute to the higher speciation and specialization observed in these regions [1].
This perceptual expertise enables them to be highly selective in their search and to solve routine problems without exploring many alternatives (Gobet 2005).It takes a long time of intense dedication to become an expert- at least ten years in many domains-, including medical specialization and subspecialization (Schmidt et al. 1990).
Sometimes specialization is overrated.
Specialization, for one thing.
Specialization is for insects".
