Sycamore Drive is a mile-long corridor north of Highway 4 in Antioch. Areas near the road, including Mahogany Way, Peppertree Way and L Street, have been the location of nearly a dozen shootings, starting with the Sept. 3 killing of 21-year-old Elijah Scales near Sycamore.

An 18-year-old is in critical condition after being shot in the world of ​​Cavallo Road and Sunset Drive, two miles east of Sycamore, on Sept. 20. Antioch police consider the shootings are related because there have been eight shootings in the identical area in five days.

Police have increased patrols in the world, but Hernandez-Thorpe says that will not be enough to stop the violence. In a Saturday video Hernandez-Thorpe posted on the mayor's Instagram page that the shootings were “retaliatory” and said police were investigating the incidents in relation to gang rivalries.

He has asked the Contra Costa County District Attorney's Office to help Antioch police by making a Safe Streets Task Force, a partnership between federal, state and native law enforcement to combat street gangs and specific violent crimes. “These gangs have no regard for human life, they have no regard for law enforcement, they have no regard for you or me,” Hernandez-Thorpe said within the video.

He also called on regional law enforcement officials to help Antioch in policing the Sycamore Corridor and Cavallo Road and asked Governor Gavin Newsom to help in deploying California Highway Patrol officers.

“No residents should live in fear, absolutely no one, especially not in the city of Antioch,” Hernandez-Thorpe said within the video.

Hernandez-Thorpe said if the violence doesn’t subside, he’ll proceed to push for “tougher actions and measures,” including restricting access to the Sycamore Corridor and Cavallo Road, imposing a curfew and asking the governor to deploy the National Guard.

In the meantime, Antioch police are patrolling the corridor, in accordance with a Sept. 17 department press release.

“This wave of violence will not be tolerated,” said interim chief Brian Addington. “We have restructured our staffing structure and assigned two police officers to patrol the Sycamore Corridor for at least the next seven days. The goal of this measure is to reduce gun violence and provide a sense of security to the community and local businesses.”

Anyone with information in regards to the shooting is asked to contact Investigative Sergeant Bill Whitaker via email at wwhitaker@antiochca.gov or by phone at 925-779-6876.

Originally published: September 22, 2024 at 3:00 p.m.

When you walk through a forest, it could appear to be a static environment where little or no is occurring. But trees are always interacting and reacting to one another as they grow. There is intense competition for light and space, and any change affects the general composition of the forest ultimately.

Forest scientists like me spend loads of time fascinated with it Forest succession – a predictable process by which plant species colonize and dominate a bit of land. The basic sequence is that the land develops from an open field to scrubland and shrubs, then to young trees, and at last to large, mature trees. Disturbances akin to a severe storm or forest fire can interrupt or delay forest succession.

I study ecological changes in species composition, tree arrangement and forest development that occur during succession and after disturbances. My research team analyses conditions in mixed-species deciduous forests. Using tree rings, we reconstruct what former forests looked like years ago.

By applying observed patterns and processes, researchers can model the longer term growth and evolution of forests. Here are some insights into what might occur among the many trees around you as you’re taking a forest walk.

Battle for space and lightweight

Forest communities are made up of trees of various species, sizes and styles. Each species requires a certain amount of sunlight and space to thrive and grows at its own rate.

Many trees distance themselves from other trees to reduce interaction with their neighbors – a pattern researchers call crown shyness. If you look up, chances are you’ll notice gaps between trees and branches near the gaps with broken branches and fewer leaves. In contrast, branches and leaves which have adequate space and sunlight to grow are denser and healthier.

Mixed deciduous forests often support greater than 30 species of treeswhich suggests they will develop in many alternative ways. By understanding how trees interact, forest managers, whether rural or urban, can establish practices that control forest growth.

When a forest is just beginning to emerge, it may well have hundreds of tree seedlings per hectare. But only 50 to 100 trees per hectare can survive and grow up. Foresters are working to find out which trees are displacing other trees and which trees are giving up growing space.

One of an important zones for understanding forest growth is the cover – the forest cover, which incorporates all of the leaves, branches and twigs within the tree crowns. A typical mixed forest has several cover layers consisting of species with different growth rates. When trees die, they release growth space that surviving trees use by growing and expanding their canopies.

How storms shape the forest

A mature tree can be exposed to many weather events during its life. Storms force trees to sway and bump into their neighbors, causing crown abrasion – damage to buds and branch suggestions. These effects can Slowing down and reducing branch growthCrown wear is an indication that the tree population is simply too dense and competition amongst trees is undermining healthy growth.

However, crown abrasion can actually help some species. For example, oaks, a slower-growing species, have dense tissue and powerful branches that may abrasive and damage branches of faster-growing trees akin to poplars and rubber trees, whose wood is weaker and fewer dense. This allows oaks to outcompete their initially faster-growing competitors.

Some forests are monocultures, with just one species of tree. In large parts of the western United States, for instance, forests were burned or cut down within the nineteenth century and later replanted with Lodgepole pinenative to western mountain regions. The trees all grew back at the identical rate, unlike in mixed forests where some species grow faster than others.

This resulted in tall, slender trees that fluctuate more in windDue to crown abrasion or crown shyness, the pines have small crowns that don’t expand laterally so far as normal.

These forests eventually stagnate. The distance between the trees shrinks since the small crowns of the trees don’t keep neighboring trees at arm's length. Tree growth decreases and The vitality of the trees is decreasing.

Thinning of those forests or the implementation prescribed fires can increase the space between trees and supply extra space for crown growth.

Watching the trees fight

To study the movement of branches in wind, my students and I exploit accelerometers – devices that measure how quickly the speed of a moving object changesMost modern smartphones contain built-in accelerometers Apps like Google Maps help determine the phone's location.

We attach the accelerometers near the ends of the branches, where they measure the movements of the branches in three dimensions. By combining this data with real-time wind speed measurements, we are able to determine the movements and acceleration of the branches in response to different wind speeds.

In one study, we examined how interactions between different tree species altered the forest cover in riparian forests along rivers and streams in central Mississippi. These forests consisted primarily of Cherry bark oak And Sweetgum treesBoth species are common in mixed stands, but have different crown shapes and growth rates.

At first, sweetgum trees were more quite a few and distinguished in young forests. But over time, because of the abutting trees, cherry oaks began to achieve strength within the spaces left by rubbed sweetgum branches. Eventually, the oak displaced the declining sweetgum and got here to dominate the forest cover.

Leadership from top to bottom

The forest environment is always changing and is influenced by many aspects, from insect invasions and plant diseases to climate change and natural disasters. Physical cover wear amongst species will not be as well understood as a few of these other pressures, but clearly contributes to the event of diverse mixed-species deciduous forests.

Our research suggests that when crown wear reduces the crown size and growth of faster-growing species, slower-growing, more vigorous species can emerge and prevail. These findings might help scientists and foresters develop and manage healthy, productive forests.

Wetlands usually are not probably the most conspicuous ecosystems. They include swamps, bogs, lowlands and other places where the bottom is roofed with water more often than not. But they fulfill a huge choice of worthwhile servicesfrom absorbing flood waters to filtering out pollutants to providing habitat for hundreds of species of mammals, fish, reptiles, insects and birds.

In a widely acclaimed ruling from 2023 Sackett v. Environmental Protection AgencyThe US Supreme Court has severely limited federal powers to guard wetlands. One estimate is that this ruling removed federal protection as much as 90 million acres of wetlands within the USA

Today, the United States is losing wetlands, primarily as a consequence of development and agriculture. with increasing speedWith the Congress polarized and blockedIt is unlikely that latest federal laws to guard wetlands will probably be enacted in the following few years.

Some states have made efforts to shut the gap, others have as a substitute chosen to to withdraw their existing protective measures. And this despite the incontrovertible fact that even before the Sackett ruling, people within the USA were strongly in favour of more protection for wetlands.

We are environmental law scholars who recently conducted a study that will probably be published in a future issue of Minnesota Legal Reviewwhich examines how private environmental policy can protect wetlands. This approach uses private agreements, certifications and other practices akin to Monitoring and dispute resolution to advertise sustainability.

Relying on private motion shouldn’t be an alternative choice to regulation, but it will possibly function a stopgap measure while other legislative and regulatory initiatives are developed, and it will possibly complement latest laws and regulations once those measures are in place.

Certifications and leverage in the provision chain

Companies and non-governmental organizations can contribute to the protection of wetlands in some ways.

First, certification bodies can develop standards for wetland-friendly products, just like Fair trade seal for products that promote protected working conditions, environmental protection and living wages for producers. Greater use of such standards can allow customers, investors and lenders to vote with their wallets. One example may very well be a label identifying products constituted of ingredients grown on farms that protect wetlands.

In the development industry, there’s already a gold standard for the environmental certification of buildings: Leadership in Energy and Environmental Design Certification (LEED)LEED already includes some wetland protections, and its requirements may be strengthened to make sure protection of wetlands in danger because of this of the Sackett ruling.

Next, corporate pressure may be applied through supply chain contracting to the sectors most certainly to replenish wetlands: agriculture, construction, and forestry. Companies could require their suppliers to commit to not harming the wetlands affected by the Sackett decision, just as corporations already use contracts to address other environmental problems.

Whole Foods Market, for instance, requires its suppliers to a code of conduct This includes minimising their impact on the environment, avoiding deforestation and searching for ways to conserve water. The same is true of Albertsons, the fourth largest US food market chainrequires suppliers to Reducing the destruction of natural resources and water pollution.

The role of banks and investors

Large institutional investors and lenders may additionally play a job. Those pursuing sustainability policies may insist that project developers in search of funds comply with pre-Sackett wetland protection regulations.

Large banks have already demonstrated various degrees of commitment to sustainability. In 2003, 10 leading banks from seven countries adopted the Equator Principlesa set of principles that “are intended to serve as a common basis and risk management framework for financial institutions to identify, assess and manage environmental and social risks when financing projects.”

This includes conducting environmental risk assessments of projects for which funding is requested, taking measures to minimise and mitigate risks and, as a final resort, compensating for unavoidable impacts. We imagine this list needs to be expanded to incorporate assessing the chance of wetland loss in project funding.

Several banks have recently deviated from compliance with these principles but generally obliged proceed to follow themNon-governmental organizations can contribute to wetland protection by pursuing funding for planned developments in vulnerable areas.

Reducing flood risk

Insurance corporations may help fill the gaps in wetland protection. Because wetlands are worthwhile buffers against flooding, property insurers have a vested interest in reducing wetland loss.

Many California insurance firms, facing rising costs as a consequence of climate change, have has stopped issuing latest policiesSimilar decisions have been made in other disaster-prone countries, akin to Louisiana and Florida.

Without access to insurance, corporations will probably be less inclined to speculate in these states. Reducing flood risk as a consequence of wetland destruction could help reduce risk for insurance firms.

Private insurers could deny coverage to properties that significantly harm wetlands which might be now not protected under Sackett, or they might condition coverage on binding commitments to not harm wetlands. And conservation groups could work with private insurers to develop climate-focused coverage for particularly sensitive wetlands which might be now not protected under Sackett.

One example of this approach is the non-profit environmental organization The Nature Conservancy, which took out insurance in 2022 to finance the restoration of Hawaii’s coral reefs in the event that they damaged by hurricanes or tropical storms.

Retail customers, employees, community members and nonprofit groups can put economic pressure on corporations to include such protections into their operations. This sort of private pressure has already led corporations to commit to reduce their greenhouse gas emissionsUntil states and Congress pass latest laws to stop wetland destruction, we imagine corporate and nongovernmental motion is probably the most promising alternative.