Dataset Information

Damages caused by hurricane Irma in the human-degraded mangroves of Saint Martin (Caribbean).

ABSTRACT: In early September 2017, Irma was the most powerful hurricane that struck the northern Caribbean over the last 100 years. In the 21^st century, the stronger types of tropical cyclones will likely increase in frequency due to the climate change and internal climate variability. Lessons to anticipate the response of mangroves to this intensification can be learned from this extreme event. Here, we analysed damages caused in mangrove forests of the Saint Martin Island. Mangroves of this island were previously degraded due to historic human pressures and recent over-urbanisation. Forest inventories and time series of very high resolution satellite images revealed that approximately 80% of the mangrove area was damaged by the hurricane. Results highlighted distinct rates of forest recovery. Early and rapid recoveries were largely observed in most study sites. However, some mangroves were still unable to recover fourteen months after the disturbance. The human-induced degradation of the ecosystem prior to the hurricane is hypothesised to be the main factor controlling the absence of forest recovery. We suggest that human-degraded mangroves will be weakened in the face of such extreme events. We advocate to preserve and restore mangroves in order to guarantee all the valuable ecosystem services they provided.

SUBMITTER: Walcker R

PROVIDER: S-EPMC6908650 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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Damages caused by hurricane Irma in the human-degraded mangroves of Saint Martin (Caribbean).

Walcker R R Laplanche C C Herteman M M Lambs L L Fromard F F

Scientific reports 20191212 1

In early September 2017, Irma was the most powerful hurricane that struck the northern Caribbean over the last 100 years. In the 21<sup>st</sup> century, the stronger types of tropical cyclones will likely increase in frequency due to the climate change and internal climate variability. Lessons to anticipate the response of mangroves to this intensification can be learned from this extreme event. Here, we analysed damages caused in mangrove forests of the Saint Martin Island. Mangroves of this i ...[more]

PMID: 31831827

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Project description:ObjectivesTo examine the effect of Hurricane Irma on staff-related financial expenditures and daily direct-care nurse staffing levels.DesignRetrospective cohort study.SettingSeptember 3-24, 2017 in the state of Florida, United States. Hurricane Irma made landfall on September 10, 2017.ParticipantsSix hundred and fifty-three nursing homes (NHs), 81 evacuated facilities, and 572 facilities that sheltered-in-place.MeasurementsThis study used data from Payroll-Based Journaling (PBJ), Certification and Survey Provider Enhanced Reports (CASPER), and Florida's health providers' emergency reporting system. PBJ provided estimates of daily direct-care nurse staffing levels for registered nurses, licensed practical nurses, and certified nursing assistants. CASPER reported facility-level characteristics such as profit status, chain membership, and special care unit availability. Florida's emergency reporting system identified evacuation status during Hurricane Irma. Linear mixed-effects models were used to estimate the unique contribution of evacuation status on daily staffing increases over time from September 3 to 10.ResultsAmong all facilities, we found significant increases in staffing for licensed practical nurses (p = 0.02) and certified nursing assistants (p < 0.001), but not for registered nurses (p = 0.10) before Hurricane Irma made landfall. From 1 week before landfall to 2 weeks after landfall (September 3-24), an additional estimated $2.41 million was spent on direct-care nurse staffing. In comparison to facilities that sheltered-in-place, evacuated facilities increased staffing levels of all nurse types (all p < 0.001). At landfall, evacuated facilities spent an estimated $93.74 on nurse staffing per resident whereas facilities that sheltered-in-place spent $76.10 on nurse staffing per resident.ConclusionNHs face unprecedented challenges during hurricanes, including maintaining adequate direct-care nurse staffing levels to meet the needs of their residents. NHs that evacuated residents had an increase in direct-care nurse staffing that was greater than that seen in NHs that sheltered-in-place.

Project description:ImportanceNursing home residents are at heightened risk for morbidity and mortality following an exposure to a disaster such as a hurricane or the COVID19 pandemic. Previous research has shown that nursing home resident mortality related to disasters is frequently underreported. There is a need to better understand the consequences of disasters on nursing home residents and to differentiate vulnerability based on patient characteristics.ObjectiveTo evaluate mortality and morbidity associated with exposure to Hurricane Irma, a Category 4 storm that made landfall on September 10, 2017, in Cudjoe Key, Florida, among short-stay (<90-day residence) and long-stay (≥90-day residence) residents of nursing homes.Design, setting, and participantsCohort study of Florida nursing home residents comparing residents exposed to Hurricane Irma in September 2017 to a control group of residents residing at the same nursing homes over the same time period in calendar year 2015. Data were analyzed from August 28, 2019, to July 22, 2020.ExposureResidents who experienced Hurricane Irma were considered exposed; those who did not were considered unexposed.Main outcome and measuresOutcome variables included 30-day and 90-day mortality and first hospitalizations after the storm in both the short term and the long term.ResultsA total of 61 564 residents who were present in 640 Florida nursing home facilities on September 7, 2017, were identified. A comparison cohort of 61 813 residents was evaluated in 2015. Both cohorts were mostly female (2015, 68%; 2017, 67%), mostly White (2015, 79%; 2017, 78%), and approximately 40% of the residents in each group were over the age of 85 years. Compared with the control group in 2015, an additional 262 more nursing home deaths were identified at 30 days and 433 more deaths at 90 days. The odds of a first hospitalization for those exposed (vs nonexposed) were 1.09 (95% CI, 1.05-1.13) within the first 30 days after the storm and 1.05 (95% CI, 1.02-1.08) at 90 days; the odds of mortality were 1.12 (95% CI, 1.05-1.18) at 30 days and 1.07 (95% CI, 1.03-1.11) at 90 days. Among long-stay residents, the odds of mortality for those exposed to Hurricane Irma were 1.18 (95% CI, 1.08-1.29) times those unexposed and the odds of hospitalization were 1.11 (95% CI, 1.04-1.18) times those unexposed in the post 30-day period.Conclusions and relevanceThe findings of this study suggest that nursing home residents are at considerable risk to the consequences of disasters. These risks may be underreported by state and federal agencies. Long-stay residents, those who have resided in a nursing home for 90 days or more, may be most vulnerable to the consequences of hurricane disasters.

Dataset Information

Damages caused by hurricane Irma in the human-degraded mangroves of Saint Martin (Caribbean).

Publications

Damages caused by hurricane Irma in the human-degraded mangroves of Saint Martin (Caribbean).

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