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36 Results Found

  • Article
  • Open Access
15 Citations
9,713 Views
12 Pages

25 September 2013

A survey of wastewater treatment facilities in the Federated States of Micronesia revealed a lack of fully functional treatment systems and conditions that potentially could lead to adverse environmental impacts and public health concerns. Due to ina...

  • Article
  • Open Access
1 Citations
1,623 Views
14 Pages

Rapidly Evaluating Species at Risk Using Endemic Plants of Kosrae, Federated States of Micronesia

  • Wayne Law,
  • Megan Chellew,
  • Kenneth R. Wood,
  • David H. Lorence,
  • Carlos Cianchini and
  • Jacob Sanney

24 September 2024

The International Union for Conservation of Nature (IUCN)’s Red List of Threatened Species is regarded as the primary source of global extinction risk for species. Despite this importance, the IUCN has assessed less than 20% of the world′...

  • Brief Report
  • Open Access
4 Citations
2,409 Views
10 Pages

31 May 2023

Despite their abundance and ecological importance, little is known about the diversity of marine viruses, in part because most cannot be cultured in the laboratory. Here, we used high-throughput viral metagenomics of uncultivated viruses to investiga...

  • Review
  • Open Access
19 Citations
6,019 Views
23 Pages

Cancer Disparities among Pacific Islanders: A Review of Sociocultural Determinants of Health in the Micronesian Region

  • Eric Pineda,
  • Ryan Benavente,
  • Megan Y. Gimmen,
  • Nicole V. DeVille and
  • Kekoa Taparra

22 February 2023

It is well appreciated that the social determinants of health are intimately related with health outcomes. However, there is a paucity of literature that explores these themes comprehensively for the indigenous people within Micronesia. Certain Micro...

  • Article
  • Open Access
7 Citations
3,648 Views
120 Pages

2 January 2025

Yap diatoms—from freshwater streams through estuaries and mangroves to the marine coral reefs—had been sampled in 1988 and 2014 and a few species from the 1988 collections described in a 2009 report. The present paper documents 168 new re...

  • Article
  • Open Access
2,178 Views
24 Pages

10 September 2022

On the first several days of October 2013, daily chlorophyll a (chl a) data acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard the National Aeronautics and Space Administration (NASA) Aqua satellite detected a marked increa...

  • Article
  • Open Access
10 Citations
4,691 Views
23 Pages

Estimation of the Benthic Habitat Zonation by Photo-Quadrat Image Analysis along the Fringing Reef of Weno Island, Chuuk, Micronesia

  • Taihun Kim,
  • Dae-Won Lee,
  • Han-Jun Kim,
  • Yun-Hwan Jung,
  • Young-Ung Choi,
  • Jung-Hee Oh,
  • Tae-Hoon Kim,
  • Do-Hyung Kang and
  • Heung-Sik Park

3 November 2022

Benthic habitat zonation is described from in situ observations and seabed photographs taken from the coastal area of Weno Island, Chuuk, Micronesia. Habitat groups, types, and boundaries are defined by visible substratum characteristics (i.e., in si...

  • Article
  • Open Access
2 Citations
4,061 Views
16 Pages

Reforestation of Degraded Landscapes in Micronesia

  • James B. Friday,
  • Diane L. Haase,
  • Ruddy Estoy,
  • James Manglona and
  • Ryan Talken

3 September 2021

Wildfires on degraded grasslands cause extensive soil erosion and cause environmental and economic damage worldwide. We conducted fertilizer, lime, and mulch trials to improve growth of trees planted in acid soils in degraded grasslands on the Micron...

  • Article
  • Open Access
22 Citations
6,262 Views
16 Pages

Application of Sentinel-2 Multispectral Data for Habitat Mapping of Pacific Islands: Palau Republic (Micronesia, Pacific Ocean)

  • Francesco Immordino,
  • Mattia Barsanti,
  • Elena Candigliota,
  • Silvia Cocito,
  • Ivana Delbono and
  • Andrea Peirano

12 September 2019

Sustainable and ecosystem-based marine spatial planning is a priority of Pacific Island countries basing their economy on marine resources. The urgency of management coral reef systems and associated coastal environments, threatened by the effects of...

  • Article
  • Open Access
8 Citations
8,324 Views
13 Pages

11 September 2015

A survey was conducted of the wastewater treatment systems and related sludge handling practices on the island of Yap, in the Federated States of Micronesia, to assist in identifying areas where further work would be merited to improve on effectivene...

  • Article
  • Open Access
20 Citations
28,564 Views
24 Pages

Airborne LiDAR Reveals a Vast Archaeological Landscape at the Nan Madol World Heritage Site

  • Douglas C. Comer,
  • Jacob A. Comer,
  • Ioana A. Dumitru,
  • William S. Ayres,
  • Maureece J. Levin,
  • Katherine A. Seikel,
  • Devin A. White and
  • Michael J. Harrower

16 September 2019

An airborne LiDAR survey of the Nan Madol World Heritage Site and adjacent Temwen Island revealed a complex, irrigated cultivation system, the first found in the Central and Eastern Caroline Islands. This informs the goals of the sustainable conserva...

  • Brief Report
  • Open Access
614 Views
13 Pages

Cryptic Divergence of Rochia nilotica (Gastropoda: Tegulidae) from Chuuk Lagoon, Federated States of Micronesia, Revealed by Morphological and Mitochondrial Genome Analyses

  • Jong-Seop Shin,
  • Yeong-Ji Park,
  • Changju Lee,
  • Heung-Sik Park,
  • Dongsung Kim,
  • Chi-une Song,
  • Kyungman Kwon,
  • Sang-Woo Hur,
  • Byung-Hwa Min and
  • Hyun-Sung Yang
  • + 1 author

2 December 2025

Rochia nilotica is a tropical Pacific gastropod inhabiting shallow coral reef habitats and supporting important marine resources in Pacific island nations. In this study, we analyzed specimens collected from Weno Island, Chuuk Atoll, Federation State...

  • Article
  • Open Access
160 Views
17 Pages

Assessing Surgical Capacity in Guam: Current Strengths and Future Goals

  • Ryan V. Benavente,
  • Eduardo B. Biala,
  • Brandon A. Lopez,
  • Megan Y. Gimmen,
  • Eric T. Pineda,
  • John Reinier F. Narvaez,
  • Russell K. Woo,
  • Neal A. Palafox and
  • Lee E. Buenconsejo-Lum

Introduction: Guam, the largest U.S. territory in Micronesia, plays a central role in surgical care for the local indigenous community and surrounding Pacific Island nations, yet remains underrepresented in surgical systems research. Methods: We cond...

  • Article
  • Open Access
5 Citations
3,533 Views
18 Pages

Geochemical Constraints on Mantle Melting and Magma Genesis at Pohnpei Island, Micronesia

  • Tong Zong,
  • Zheng-Gang Li,
  • Yan-Hui Dong,
  • Xu-Ping Li,
  • Ji-Hao Zhu,
  • Ling Chen and
  • Ji-Qiang Liu

16 September 2020

The lithospheric mantle is of paramount importance in controlling the chemical composition of ocean island basalts (OIBs), influencing partial melting and magma evolution processes. To improve the understanding of these processes, the pressure–...

  • Article
  • Open Access
4 Citations
3,533 Views
31 Pages

27 March 2024

Twelve species of atyid shrimps are reported from three Micronesian islands (Babeldaob, Pohnpei, and Guam) and studied using a combined morphological and molecular approach. Among them, three are new records for the area (Caridina appendiculata, Cari...

  • Article
  • Open Access
9 Citations
4,708 Views
8 Pages

Three New Cytotoxic Steroidal Glycosides Isolated from Conus pulicarius Collected in Kosrae, Micronesia

  • Yeon-Ju Lee,
  • Saem Han,
  • Su Hyun Kim,
  • Hyi-Seung Lee,
  • Hee Jae Shin,
  • Jong Seok Lee and
  • Jihoon Lee

4 December 2017

Three new sulfated steroidal glycosides (35), along with known cholesterol derivatives (1,2), were isolated from the visceral extract of the cone snail Conus pulicarius. The structure of each new compound was elucidated by nuclear magnetic resonance...

  • Article
  • Open Access
4 Citations
3,905 Views
16 Pages

Pingelap Island in Pohnpei state is geographically isolated as the nearest island is 70 km away, and such geographical isolation is a challenge for public health due to the limited access to health services. This study aims to reveal the health situa...

  • Article
  • Open Access
7 Citations
3,555 Views
11 Pages

A Cross-Sectional Study Examining Differences in Indication for Cesarean Delivery by Race/Ethnicity

  • Rebecca Delafield,
  • Jennifer Elia,
  • Ann Chang,
  • Bliss Kaneshiro,
  • Tetine Sentell and
  • Catherine M. Pirkle

3 February 2021

(1) Background: There are persistent racial/ethnic disparities in cesarean delivery in the United States (U.S.), yet the causes remain unknown. One factor could be provider bias. We examined medical indications for cesarean delivery that involve a gr...

  • Article
  • Open Access
16 Citations
8,852 Views
23 Pages

Prevalence and Predictors of Overweight and Obesity among Young Children in the Children’s Healthy Living Study on Guam

  • Rachael T. Leon Guerrero,
  • L. Robert Barber,
  • Tanisha F. Aflague,
  • Yvette C. Paulino,
  • Margaret P. Hattori-Uchima,
  • Mark Acosta,
  • Lynne R. Wilkens and
  • Rachel Novotny

20 August 2020

This study is part of the Children’s Healthy Living program in U.S. Affiliated Pacific region. The objectives were to estimate overweight and obesity (OWOB) prevalence and identify possible related risk factors among ethnic groups in Guam. In 2...

  • Article
  • Open Access
5 Citations
4,347 Views
20 Pages

17 May 2021

Successful underwater heritage management requires a sound understanding of visitor behavior. Primary visitors to underwater heritage sites are divers whose behavior can pose risks to the integrity of site cultural heritage and tourism values. This s...

  • Article
  • Open Access
10 Citations
5,728 Views
18 Pages

Dynamics of Anthropogenic Wildfire on Babeldaob Island (Palau) as Revealed by Fire History

  • Julian Dendy,
  • Dino Mesubed,
  • Patrick L. Colin,
  • Christian P. Giardina,
  • Susan Cordell,
  • Tarita Holm and
  • Amanda Uowolo

6 April 2022

Wildfire is an understudied threat to biodiversity in many tropical landscapes, including island nations of the Pacific, such as The Republic of Palau—a global biodiversity hotspot with ridge-to-reef resources. Fires are known to occur on Palau...

  • Article
  • Open Access
1 Citations
2,010 Views
14 Pages

Cassava (Manihot esculenta Crantz) is an important tropical tuber crop around the world. Cassava bacterial blight, caused by Xanthomonas phaseoli pv. manihotis, is a key disease that influences cassava production worldwide. Between 2008 and 2020, 50...

  • Article
  • Open Access
19 Citations
4,695 Views
19 Pages

Cytotoxic Scalarane Sesterterpenes from the Sponge Hyrtios erectus

  • Oh-Seok Kwon,
  • Donghwa Kim,
  • Chang-Kwon Kim,
  • Jeongyoon Sun,
  • Chung J. Sim,
  • Dong-Chan Oh,
  • Sang Kook Lee,
  • Ki-Bong Oh and
  • Jongheon Shin

13 May 2020

Twelve new sesterterpenes along with eight known sesterterpenes were isolated from the marine sponge Hyrtios erectus collected off the coast of Chuuk Island, the Federated State of Micronesia. Based upon a combination of spectroscopic and computation...

  • Article
  • Open Access
35 Citations
8,517 Views
9 Pages

Violapyrones H and I, New Cytotoxic Compounds Isolated from Streptomyces sp. Associated with the Marine Starfish Acanthaster planci

  • Hee Jae Shin,
  • Hwa-Sun Lee,
  • Jong Seok Lee,
  • Junho Shin,
  • Min Ah Lee,
  • Hyi-Seung Lee,
  • Yeon-Ju Lee,
  • Jieun Yun and
  • Jong Soon Kang

30 May 2014

Two new α-pyrone derivatives, violapyrones H (1) and I (2), along with known violapyrones B (3) and C (4) were isolated from the fermentation broth of a marine actinomycete Streptomyces sp. The strain was derived from a crown-of-thorns starfish, Acan...

  • Communication
  • Open Access
6 Citations
3,274 Views
9 Pages

1 April 2021

The intensity values of terrestrial laser scanning (TLS) can be used to reveal painted black rock art behind graffiti and moss. The effect was observed in Gumahon cave in Peñablanca, Philippines where previously unnoticed black pigment was exposed un...

  • Article
  • Open Access
8 Citations
3,712 Views
11 Pages

4 July 2019

The monotypic genus Deraiotrema Machida, 1982 has only been reported once, from the orbicular batfish Platax orbicularis (Forsskål) in the waters around Palau in Micronesia (Machida, 1982). It has a body-shape similar to other lepocreadiids from batf...

  • Article
  • Open Access
4 Citations
3,402 Views
20 Pages

31 July 2023

Megastigmidae comprises more than 200 species in 12 genera. Megastigmus has a worldwide distribution with more than 150 species. Over 80% of these species are recorded from the Australian and Palearctic region, with a few from Afrotropical and Orient...

  • Article
  • Open Access
42 Citations
7,996 Views
15 Pages

Influence of Narratives of Vision and Identity on Collective Behavior Change

  • Ilan Chabay,
  • Larissa Koch,
  • Grit Martinez and
  • Geeske Scholz

14 October 2019

Profound societal transformations are needed to move society from unsustainability to greater sustainability under continually changing social and environmental conditions. A key challenge is to understand the influences on and the dynamics of collec...

  • Review
  • Open Access
13 Citations
6,083 Views
16 Pages

Peculiarities of Zika Immunity and Vaccine Development: Lessons from Dengue and the Contribution from Controlled Human Infection Model

  • Helton C. Santiago,
  • Tertuliano A. Pereira-Neto,
  • Marcela H. Gonçalves-Pereira,
  • Ana C. B. Terzian and
  • Anna P. Durbin

25 February 2022

The Zika virus (ZIKV) was first isolated from a rhesus macaque in the Zika forest of Uganda in 1947. Isolated cases were reported until 2007, when the first major outbreaks of Zika infection were reported from the Island of Yap in Micronesia and from...

  • Article
  • Open Access
539 Views
21 Pages

16 January 2026

Ten new species of Lonchaeidae in the genera Lonchaea Fallen and Silba Macquart are described, nine from the Australasia–Oceania realm—Papua New Guinea (7 species), Solomon Islands (1 species), and Sulawesi (1 species)—and one from...

  • Article
  • Open Access
26 Citations
5,627 Views
16 Pages

Feasibility Study of the World Health Organization Health Care Facility-Based Antimicrobial Stewardship Toolkit for Low- and Middle-Income Countries

  • Gina Maki,
  • Ingrid Smith,
  • Sarah Paulin,
  • Linda Kaljee,
  • Watipaso Kasambara,
  • Jessie Mlotha,
  • Pem Chuki,
  • Priscilla Rupali,
  • Dipendra R. Singh and
  • Marcus Zervos
  • + 4 authors

Antimicrobial stewardship (AMS) has emerged as a systematic approach to optimize antimicrobial use and reduce antimicrobial resistance. To support the implementation of AMS programs, the World Health Organization developed a draft toolkit for health...

  • Article
  • Open Access
4 Citations
2,471 Views
45 Pages

4 December 2023

Exploration of the diversity in the diatom genus Homoeocladia across Micronesia revealed several clusters of undescribed species based on variations around several characters. Using ultrastructural data from scanning electron microscopy, we describe...

  • Article
  • Open Access
6 Citations
3,958 Views
15 Pages

Middle Latitude Geomagnetic Disturbances Caused by Hall and Pedersen Current Circuits Driven by Prompt Penetration Electric Fields

  • Takashi Kikuchi,
  • Kumiko K. Hashimoto,
  • Takashi Tanaka,
  • Yukitoshi Nishimura and
  • Tsutomu Nagatsuma

4 April 2022

The prompt penetration electric field (PPEF) drives the DP2 currents composed of the two-cell Hall current vortices surrounding the Region-1 field-aligned currents (R1FACs), and the zonal equatorial electrojet (EEJ, Cowling current) at the dayside eq...

  • Article
  • Open Access
16 Citations
4,516 Views
25 Pages

29 October 2021

Greater knowledge concerning the interspecific diversity of the plant leaf ionome is required to effectively understand the spatiotemporal dynamics of biogeochemistry, but Micronesia has been ignored in this literature. The objectives of this study w...

  • Article
  • Open Access
12 Citations
4,051 Views
20 Pages

31 January 2024

Pacific Island countries are vulnerable to the impacts of climate change, which include the risks of increased ocean temperatures, sea level rise and coastal wetland loss. The destruction of wetlands leads not only to a loss of carbon sequestration b...

  • Project Report
  • Open Access
27 Citations
8,701 Views
12 Pages

10 January 2017

Groundwater resources of small coral islands are threatened due to short-term and long-term changes in climate. A significant short-term threat is El Niño events, which typically induce a severe months-long drought for many atoll nations in the weste...