Jin Yoshimura
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Code from: Geometric-mean fitness does not correspond to long-term survival probability Open
Unpredictable randomness plays a crucial role in the long-term sustainability of biological systems. The population growth of a species in variable environments is typically described in terms of a long-term measure, such as geometric mean…
Geometric‐Mean Fitness Does Not Correspond to Long‐Term Survival Probability Open
Unpredictable randomness plays a crucial role in long‐term sustainability of biological systems. The population growth of a species in variable environments is typically described in terms of a long‐term measure like geometric‐mean fitness…
Threshold fertility for the avoidance of extinction under critical conditions Open
The developed countries now face a low fertility crisis. The replacement level fertility (RLF) is conventionally considered to be 2.1 children per woman, in which demographic stochasticity arising from random variations in individual offsp…
Barriers to the widespread adoption of diagnostic artificial intelligence for preventing antimicrobial resistance Open
Currently, antimicrobial resistance (AMR) poses a major public health challenge. The emergence of AMR, which significantly threatens public health, is primarily due to the overuse of antimicrobial agents. This study explored the possibilit…
Soil degradation and herbicide pollution by repeated cassava monoculture within Thailand’s conservation region Open
In a national park in Northeast Thailand, agricultural land has been converted from natural forest by small-scale farmers for cassava agriculture. We hypothesise that long-termed cassava monoculture leads to the degradation of soil propert…
Soil degradation and herbicide pollution by repeated cassava monoculture within Thailand’s conservation region Open
In a national park in Northeast Thailand, agricultural land has been converted from natural forest by small-scale farmers. To investigate the impact of repeated cassava monoculture on soil, we conducted a five-year (2016–2020) study on the…
RELIABILITY OF CREDIT SCORES IN LOAN MANAGEMENT IN A DEVELOPING COUNTRY Open
In developing countries, loan sales for expensive products are very common but highly risky because of frequent payment defaults. Because personal credit histories in these countries are imprecise and insufficient compared with those in de…
Generalists and specialists of brood parasitism in spider wasps (Hymenoptera: Pompilidae) Open
Based on emergence records from trap nests and naturally occurring nests, we determined the brood parasitism behaviour of Irenangelus punctipleuris (Pompilidae: Ceropalinae) for the first time and that of Dipogon (Nipponodipogon) nagasei (…
First record of host spider amputation by the Japanese spider wasp <i>Cyphononyx fulvognathus</i> (Hymenoptera: Pompilidae: Pepsinae) Open
The behavior of amputating the legs of spider prey by Cyphononyx fulvognathus (Pepsini, Pepsinae, Pompilidae) is reported for the first time. The prey was a female of Heteropoda, presumably H. venatoria (Araneae: Sparassidae), which is als…
First records of the spider wasps Ctenocerus Dahlbom and Paraclavelia Haupt from Asia, with discussions on the systematics of Ctenocerinae (Hymenoptera: Pompilidae) Open
We describe two new species of Ctenocerinae (Pompilidae) from Asia, i.e., Ctenocerus srilankae Shimizu sp. nov. from Sri Lanka and Paraclavelia arabiae Shimizu sp. nov. from Oman. These represent the first records of Ctenocerus Dahlbom, 18…
A new long-term measure of sustainable growth under uncertainty Open
The trade-off between short-term success and long-term sustainability is a common subject of great importance both in the biological evolution of organisms and in the economic activities of human beings. In evolutionary biology, bet-hedgin…
A long-term alternative formula for a stochastic stock price model Open
This study presents a long-term alternative formula for stock price variation described by a geometric Brownian motion on the basis of median instead of mean or expected values. The proposed method is motivated by the observation made in r…
Optimal strategies and cost-benefit analysis of the $${\varvec{n}}$$-player weightlifting game Open
The study of cooperation has been extensively studied in game theory. Especially, two-player two-strategy games have been categorized according to their equilibrium strategies and fully analysed. Recently, a grand unified game covering all…
Fresh-marketable tomato yields enhanced by moderate weed control and suppressed fruit dehiscence with woodchip mulching Open
The plastics have recently been recognized as serious global environmental hazards, because they do not decay in nature. The use of plastic film for mulching imposes various environmental risks in agroecosystems. The replacement of plastic…
New genus and species of Pompilinae spider wasps from the Oriental Region (Hymenoptera, Pompilidae) Open
The new genus Erythropompilus Shimizu & Pitts, gen. nov. from the Oriental Region (Pompilidae, Pompilinae) is described, based on the new species E. malaysiensis Pitts & Shimizu, sp. nov. from Malaysia. Two other new species of this genus,…
View article: Evolutionary loss of thermal acclimation accompanied by periodic monocarpic mass flowering in Strobilanthes flexicaulis
Evolutionary loss of thermal acclimation accompanied by periodic monocarpic mass flowering in Strobilanthes flexicaulis Open
While life history, physiology and molecular phylogeny in plants have been widely studied, understanding how physiology changes with the evolution of life history change remains largely unknown. In two closely related understory Strobilant…
Tree hazards compounded by successive climate extremes after masting in a small endemic tree,<i>Distylium lepidotum</i>, on subtropical islands in Japan Open
Ongoing global warming increases the frequency and severity of tropical typhoons and prolonged drought, leading to forest degradation. Simultaneous and/or successive masting events and climatic extremes may thus occur frequently in the nea…
View article: Exaggerated evolution of male armaments via male–male competition
Exaggerated evolution of male armaments via male–male competition Open
Males usually compete to gain access to prospective mates. Through this male–male competition, superior males have a higher chance of passing on their traits to the next generation of male offspring. One category of male traits is armament…
View article: Improving environment drives dynamical change in social game structure
Improving environment drives dynamical change in social game structure Open
The development of cooperation in human societies is a major unsolved problem in biological and social sciences. Extensive studies in game theory have shown that cooperative behaviour can evolve only under very limited conditions or with a…
Genomic imprinting drives eusociality Open
The origin of eusociality, altruistically foregoing personal reproduction to help others, has been a long-standing paradox ever since Darwin. Most eusocial insects and rodents likely evolved from subsocial precursors, in which older offspr…
Systematics and convergent evolution in three Australian genera of Pepsinae spider wasps (Hymenoptera: Pompilidae) Open
We treat the Australian spider wasp ‘Ctenocerini’, revising the systematics of Maurillus Smith, adding a new species Maurillus argenticapitis Pitts & Shimizu sp. nov. and describing two new monobasic genera Maurilloides Pitts & Shimizu gen…
View article: Evolutionary loss of thermal acclimation accompanied by periodic monocarpic mass flowering in Strobilanthes species
Evolutionary loss of thermal acclimation accompanied by periodic monocarpic mass flowering in Strobilanthes species Open
While life history, physiology and molecular phylogeny in plants have been widely studied, understanding how physiology changes with the evolutionally life historical change remains largely unknown. In two closely related understory Strobi…
Eight-year periodical outbreaks of the train millipede Open
Periodical cicadas are the only confirmed periodical animals with long life cycles. In Japan, however, 8-year periodicity had been suggested in a species of train millipedes that had frequently obstructed trains in the central mountainous …
Systematics and convergent evolution in three Australian genera of Pepsinae spider wasps (Hymenoptera: Pompilidae) Open
This dataset contains the digitized treatments in Plazi based on the original journal article Shimizu, Akira, Pitts, James P, Rodriguez, Juanita, Wahis, Raymond, Yoshimura, Jin (2021): Systematics and convergent evolution in three Australi…
Supplementary material from "Eight-year periodical outbreaks of the train millipede" Open
Periodical cicadas are the only confirmed periodical animals with long life cycles. In Japan, however, 8-year periodicity had been suggested in a species of train millipedes that had frequently obstructed trains in the central mountainous …