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Feral pigs may usher nonnative plants into Hawaii – The Wildlife Society

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Feral pigs may usher nonnative plants into Hawaii – The Wildlife Society


The forest disturbance that foraging feral pigs cause on Hawaii’s Big Island may be helping nonnative plants take root.

“Areas that have higher pig density and soil disturbance tend to have a greater abundance of nonnative species,” said Michael Peyton, a PhD candidate at the University of Wisconsin-Madison.

Native Hawaiians first introduced pigs to Hawaii when they colonized the archipelago from Polynesia between the years of 400 and 1100. Explorer James Cook and subsequent visitors introduced European pigs starting in the 18th century. The hybridized descendants of these breeds uproot native plants and damage infrastructure.

In a study published recently in Functional Ecology, Peyton and his colleagues wanted to see how different densities of feral pigs (Sus scrofa) affected the disturbance of native plants on the Big Island of Hawaii.

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They set up trail cameras in different parts of the Pu’u O Umi Natural Area Reserve in the north of the island—an area with a high degree of contiguous native forest. With help from land managers, they identified four areas with differing densities of pigs. After capturing images from these areas, they confirmed population densities with statistical modeling.

Researcher Michael Peyton surveys plants. Credit: Gael Granados

To get a good idea about the type of vegetation growing in areas with different numbers of pigs, the researchers conducted various types of analyses. In areas with camera traps, they recorded understory plant species and their abundance.

They categorized plant species on a spectrum based on whether the plants produced short-lived leaves with rapid growth, or hardier, long lived leaves with a slow growth rate.

Peyton and his team found that areas with more pig disturbance typically had a higher proportion of plants that produced lighter leaves more quickly.

Nonnative plants were better positioned to take advantage of areas that feral pigs had disturbed. Credit: Michael Peyton

Those are usually nonnative plants. Native Hawaiian plants are more often the type that produce hardier, heavier leaves.

While some fast-growing native plants grew in disturbed areas, it seemed that pig disturbance was correlated more with nonnative plants. These nonnative, fast growing plants are well positioned to take advantage of the disturbance from the swine.

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“Native and nonnative species are responding differently to [pig] abundance,” Peyton said.

While further research would be needed to confirm this, Peyton speculated that sunlight availability may be one reason why certain plants do better than others, especially when there is a lot of disturbance.

“The scale of disturbance matters for how these species are responding to light,” he said.





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Honolulu City Council adopts nearly $5B budget package | Honolulu Star-Advertiser

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Honolulu City Council adopts nearly B budget package | Honolulu Star-Advertiser




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Gov. Green responds to lawsuit challenging Hawaiian Homes program | Maui Now

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Gov. Green responds to lawsuit challenging Hawaiian Homes program | Maui Now


Department of Hawaiian Homelands.  Photo Courtesy: DHHL

Gov. Josh Green today issued a statement regarding a federal lawsuit challenging the eligibility requirements within the Hawaiian Homes Commission Act.

“The Hawaiian Homes Commission Act was established to address the historic dispossession of Native Hawaiians and reflects a longstanding commitment to them by both the federal government and the state of Hawaiʻi,” said Green.

“This lawsuit threatens that commitment. I have directed the Department of the Attorney General to vigorously defend the Hawaiian Homes program. We will fight this lawsuit with everything we have,” he said.

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The lawsuit was filed by Eric Ryan, an Oʻahu resident who is not Native Hawaiian and tried to apply for a lease, but was denied due to the 50% Native Hawaiian blood quantum requirement, according to Hawaiʻi News Now and court documents published at Courthouse News Service.

The Class Action Complaint argues that the “explicitly ancestry-based requirement” establishes a “permanent government mandate for state officials to engage in outright racial discrimination, perpetuates stereotypes, and limits housing opportunities for most Hawai‘i residents. The blood-quantum requirement thus violates the Equal Protection Clause of the Fourteenth Amendment and the Due Process Clause of the Fifth Amendment to the United States Constitution,” the complaint alleges.

Green said the administration “stands firmly with the Department of Hawaiian Home Lands and the thousands of Native Hawaiian beneficiaries who rely on this program and its promise for future generations.”

Attorney General Anne Lopez also issued a statement saying the state of Hawaiʻi has both a legal and moral obligation to uphold the commitments embodied in the Hawaiian Homes Commission Act.

“This lawsuit seeks to dismantle a program that has provided opportunities, stability and hope to generations of Native Hawaiian beneficiaries,” said Lopez.

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Solicitor General Kalikoʻonālani Fernandes, who has extensive experience handling complex constitutional litigation on behalf of the state, will lead the legal team in defending the state against the challenge.

“We are prepared to vigorously defend the Hawaiian Homes program and the promises it represents,” said Lopez.

Under the Green administration, the Department of Hawaiian Home Lands has accelerated the delivery of homestead opportunities and expanded pathways to homeownership for Native Hawaiian beneficiaries.

In 2025 alone, DHHL offered more than 2,500 lease awards and continues to advance major housing projects, including Hale Mōʻiliʻili on Oʻahu, which will provide 278 affordable rental units for beneficiaries.

“These efforts reflect the administration’s commitment to reducing wait times, strengthening Native Hawaiian communities and fulfilling the promise of the Hawaiian Homes Commission Act,” according to the governor’s announcement.

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Bystander video shows damage after concrete falls at Ala Moana Center

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Bystander video shows damage after concrete falls at Ala Moana Center


HONOLULU (HawaiiNewsNow) – Concrete fell from the exterior of an Ala Moana Center parking structure Monday afternoon near the Kapiolani Boulevard exit, damaging a vehicle.

No injuries were reported.

Security blocked an exit lane as debris scattered across the roadway. Ala Moana Center said they are grateful no one was hurt, and the lane will remain closed while structural engineers and construction professionals assess the damage and make repairs.

Copyright 2026 Hawaii News Now. All rights reserved.

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