The flora and fauna of the rocky intertidal zone
are among the most biologically diverse on the
planet – not in terms of species richness, but of
the diversity and density of higher taxonomic
categories. All of the major animal phyla can be
found in the rocky intertidal, sometimes with
representatives of each inhabiting a single rock
or boulder. In addition to this phylogenetic diversity,
the rocky intertidal may be one of the most
ancient of habitats because it is a necessary and
continual result of celestial mechanics set in
motion prior to the diversification of life. When
advising readers to ‘. . . look from the tide pool to
the stars and then back to the tide pool again’,
Steinbeck and Ricketts (1951) seemed to underline
this point while advocating for a holistic
approach to ecological research. A few years
earlier, Ricketts and Calvin set out to comprehensively
document what was then known about the
ecology of the north-eastern Pacific (NEP) rocky
intertidal in their classic book, Between Pacific
Tides (Ricketts et al., 1985).
Since the first edition of Between Pacific Tides
(1939), the NEP has become widely recognised as
an ideal natural laboratory for experimental
ecologists and as a platform for more observationally
focussed ecologists seeking to
understand macroecological and biogeographical
patterns. It is, of course, outside the scope of this
chapter to attempt a comprehensive review of
this extensive research. Rather, we focus on a
couple of broad topics that are central to our
current understanding of fundamental ecological,
evolutionary and conservation topics that
have benefitted from NEP rocky intertidal case
studies. The first half of the chapter deals with
recent work on the biotic and abiotic factors
influencing patterns of range wide abundance
and distribution of species, and how such patterns
are being affected by human impacts. The
second half reviews the latest research on the role
of direct and indirect human impacts on topdown
and bottom-up control of rocky intertidal
community structure and functioning.
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Review of laser flash photolysis of organic molecules (2015–2018)
This chapter serves as a review of the literature concerning the use of laser flash photolysis (LFP) in research reported between the years 2015 and 2018. The first half of the chapter primarily focuses on fundamental studies to characterize reactive intermediates and elucidate their reaction mechanisms, with special attention to a new LFP technique that allows transient absorption to be obtained in crystals. The detection and identification of excited states and their reactivity is also addressed. The second half of the chapter focuses on the use of LFP to understand and influence the development of photochemistry applications such as synthesis, photocages, polymerization, and photocatalysis. Finally, we briefly mention research that uses LFP but is outside the main focus of this chapter, such as the analysis of biological systems and environmental studies.
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- Award ID(s):
- 1800140
- NSF-PAR ID:
- 10126688
- Date Published:
- Journal Name:
- Photochemistry
- Volume:
- 47
- ISSN:
- 0556-3860
- Page Range / eLocation ID:
- 70-121
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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- Free Publicly Accessible Full Text
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Accepted Manuscript1.0
- Journal Article:
- https://doi.org/10.1039/9781788016520-00070
